000 00405nam a2200145Ia 4500
100 _aTrivedi, P. R. & Raj, Gurdeep
020 _a81-7158-279-6 (set)
365 _b10.000(25 Vol.set)
942 _cRBK
654 _a
245 _aEncyclopaedia of environmental sciences ; Vol-1
_bConcepts in environment
260 _aNew Delhi
_bAkashdeep Publishing House
_c1992
082 _aR551
300 _bHb
_a199
999 _c375984
_d375984
041 _aeng