Losing ground : environmental stress and world food prospects.
Eckholm, Erik
Losing ground : environmental stress and world food prospects. - New York,Oxford etc Pergamon Press 1978 - 223p.
ENG
338.19 / ECK
Losing ground : environmental stress and world food prospects. - New York,Oxford etc Pergamon Press 1978 - 223p.
ENG
338.19 / ECK