Down to earth : environment and human needs
Eckholm, Erik P.
Down to earth : environment and human needs /by Erik P. Eckholm - New Delhi Affiliated East-West Press 1982 - xv,238p.
81-85336-50-4
Human ecology--Environmental protection
614.7 / ECK/D
Down to earth : environment and human needs /by Erik P. Eckholm - New Delhi Affiliated East-West Press 1982 - xv,238p.
81-85336-50-4
Human ecology--Environmental protection
614.7 / ECK/D