000 00393nam a2200157Ia 4500
001 24470
008 170722s9999 xx 000 0 und d
020 _a8170245249
100 _aTripathi, Ak
245 _aEcology and environmental /
250 _aEd
260 _aNew Delhi :
_bAshish Pubs ,
_c1993.
300 _a314 p.
_c22.5cms
490 _aProtect global earth series
942 _cGEN
999 _c115426
_d115426