000 00492nam a2200133Ia 45e0
008 131218n1987 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 Distributors
_c1987
300 _a111.
653 _aEnvironment
942 _2ddc
_cTXT
999 _c17448
_d17448