000 00311nam a2200121Ia 4500
008 170101s1982 xx 000 0 und d
082 _a333.72 PAL
100 _apal B.P.
245 0 _aenvironmental Conservation and Development
260 _aDehradun
_bNatraj Pub.
_c1982
300 _a100 p.
942 _2ddc
_cB
999 _c833666
_d833666