3090 THE NEW ZEALAND GAZETTE No. 98

EGMONT NATIONAL PARK
National Park Handbook
85 p. Illustrated, with maps. 1976. Third edition. $2

This handbook seeks to heighten the enjoyment of visitors to the park by providing a greater knowledge and appreciation of the wealth of natural resources, scenic grandeur, and distinctive vegetation, found in this park.

New chapters include mountaineering, ski-ing, high climbing, ornithology, climatology and Maori history.

ELECTRICITY FOR MOTOR MECHANICS
(Third Edition S.I. Units)
N.Z. TECHNICAL CORRESPONDENCE INSTITUTE 1977
256 p. $7

This publication is primarily designed as a textbook for apprentice motor mechanics. The basic principles of electricity are described in the first chapter of the book. Each succeeding chapter elaborates the application of these principles to the various electrical systems of the motor vehicles.

For the car owner, boat owner, and other operators of motor engines, this book provides a reliable guide to the location and remedy for minor electrical faults and enables him to recognise at once more serious faults which require specialist attention.

This book deserves a place on every car owner's bookshelf.

ENERGY AND THE ENVIRONMENT
Edited by D. M. Adcock
156 p. 1974. $4.50

This book is intended as a valuable summary of energy technology and its associated problems. The authors discuss different aspects of the economic, social and environmental consequences of unrestrained growth in electricity and total energy consumption. Power construction schemes are likely to have considerable environmental impact at a time of increasing awareness of the need for environmental conservation. Series No. 19. (N.Z. Institute of Public Administration.)

ENGINEERING PUBLICATIONS

Now available through Government bookshops are the following engineering publications that will be of interest to all civil engineers and those associated with engineering. These publications, prepared by the Civil Engineering Division of the Ministry of Works and Development, supply such information as: stress, load bearing, design, and examples of the various equations.

ASSESSMENT OF POSTING WEIGHT LIMITS FOR HIGHWAY BRIDGES
(CDP 704/B) November 1974
13 p. $1.60

BRIDGE CLASSIFICATION AND DECK GRADING FOR OVERWEIGHT PERMITS
Issue (A) June 1973
40 p. $2.50

DESIGN TABLES
(CDP 802/B) October 1974
8 p. $1.40

DUCTILITY OF BRIDGES WITH REINFORCED CONCRETE PIERS
(CDP 810/A) April 1975
109 p. $7

RETAINING WALL DESIGN NOTES
(CDP 702/C) 1973
88 p. $4.75

EUTROPHICATION OF LAKE ROTORUA
By E. White, DSIR Information Series No. 123, 1977
16 p. 80c

Discusses the effects of different types of land and water use on the lake, and past and current research associated with the lake. Recommends methods of restoration and necessary future research. This bulletin from the Freshwater Section of the Ecology Section of the DSIR provides an overall picture of eutrophication in Lake Rotorua.

EVALUATION OF THE NEW ZEALAND COMPULSORY SEAT BELT LEGISLATION
TRANSPORT REPORT No. 17
1976. $1

This is one in a series of reports which present the results of investigations conducted by, or for, the Ministry of Transport.

The reports are intended to provide information of interest both to others carrying out similar research and to those whose interest is the practical application of research findings. (Ministry of Transport.)

EX-NUPTIAL CHILDREN AND THEIR PARENTS
RESEARCH MONOGRAPH No. 2
473 p. 1976. $9.75

This report was intended to provide basic data which up till now has been lacking. The survey gives fundamental demographic information on the characteristics of illegitimate children and their parents and examines in detail the placement of illegitimate children in New Zealand. The publication also aims to place information about the incidence of illegitimacy in New Zealand within an international context. Of particular interest to sociologists, economists, researchers and social workers. (Social Welfare Department.)

The first monograph of this series, entitled Child Abuse in New Zealand is also available from the Government Printer.
Price $4.50

EXTERNAL TRADE REPORT AND ANALYSIS 1974 AND 1975
DEPARTMENT OF STATISTICS
64 p. 1978. $2

This volume contains basically, analysis of the overseas trade of New Zealand. The tables in this report are presented so as to reflect the changing patterns and levels of exports and imports and as such will be of special interest to official advisors, policy makers, industry, and the public alike.

FACSIMILES OF THE TREATY OF WAITANGI
1976. $12.95

A valuable volume of old New Zealand records comprising:

The Declaration of the Independence of New Zealand.

The original draft of the Treaty by Governor Hobson.

A series of copies of the Treaty itself as finally adopted and signed by the chiefs and witnesses.

The preface and facsimiles are reproduced from lithographic originals first printed in 1877. (Government Printer.)

FAMILY GROWTH STUDY
DEPARTMENT OF HEALTH SPECIAL REPORT SERIES No. 48
77 p. 1976. $4

The preliminary report on the Family Growth Study made in the Hutt Valley presents the initial analysis of the data collected.

Provides data on contraceptive practice, pregnancy planning, family size ideals and expectation, and sterilisation. Gives a bibliography and the eight sections of the questionnaire. Will be of great value to Government departments and groups and organisations involved in the health and social welfare work of New Zealand communities.