000 00615nam a2200205 u 4500
001 001102501
003 AM-YeNLA
005 20190508153441.0
008 150925s1982 ||||||||||||||||||||eng|c
041 0 _aeng
100 1 _aDregne, E.
245 1 0 _aImpact of Land Degradation on Future World Food Production /
_cE.Dregne ;U.S. Dept. of Agriculture.
260 _aWashington, D.C :
_bA.S,
_c1982.
300 _a34 p.; :
_bmap.ill. ;
_c28 cm.
440 0 _aEconomic Research Service
_nNo.677
650 1 4 _aFood Production
710 1 _aUnited States.
710 2 _aU.S. Dept. of Agriculture
942 _2udc
_cBK
999 _c975313
_d975313