000 00351nam a2200133Ia 4500
082 _a338.19
_bECK
100 _aEckholm, Erik
245 _aLosing ground : environmental stress and world food prospects.
260 _aNew York,Oxford etc
_bPergamon Press
_c1978
300 _a223p.
500 _aENG
890 _aUnited States
999 _c21288
_d21288