000 00517nam a2200133Ia 45e0
008 131120n ii |||gr||||Z||||||eng
082 _a363.7
100 _aLal, J.B.,
_eAuthor.,
245 0 _aEnvironmental Conservation
_cJ. B. Lal
_hTextual Documents
260 _aDehradun:
_bInternational Book Distributing Company,
_c1987.
300 _a111
653 _aEnvironmental Conservation
942 _2ddc
_cTXT
999 _c3507
_d3507