4969
English
Simmons, I. G. )Ian Gordon(
7391-
Earth, air, and water : resources and environment in the late 20th century
London
Edward Arnold
1991c
vi, 254 p.: ill., maps
Includes bibliographical references and index
I.G. Simmons
، Human ecology
، Natural resources
، Conservation of natural resources
7
.
363
GF
41
.
S5
1991
AU
TI
