000 00421nam a2200145Ia 4500
008 220901s1992 xx 000 0 eng d
082 _a363.7 hN22
100 _aJain, Prem Suman
245 _aParyavaran santulan evam shakahar
260 _aJaipur
_bSanghi Prakashan
_c1992
650 _aEnvironmental protection
_9532
650 _aAgriculture - Environmental aspects
_94735
650 _aEcology
_91592
942 _2ddc
_cBK
999 _c2545
_d2545