000 00327nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aTrivedi P.R
245 0 _aNatural resources conservation
260 _b"A.P.H.Publishing coporation ,5,ansari road,danya ganj,new delhi"
260 _c0
365 _b495.00
942 _cBK
999 _c155558
_d155558