TY  - BOOK
AU  - ECKHOLM, Erik P
TI  - Losing ground : environmental stress and world food prospects
U1  - 333.75 E22L 
PY  - 1976///
PB  - N.Y.
KW  - SOIL EROSION
KW  - AGRICULTURAL ECOLOGY
KW  - FOOD SUPPLY
KW  - MAN - INFLUENCE ON NATURAL
ER  -