000 00303nam a2200121Ia 4500
001 24656
008 170722s9999 xx 000 0 und d
100 _aSapru, Rk
245 _aEnvironment management 2 V /
260 _aNew Delhi :
_bAshish pubs ,
_c1987.
300 _apPXV+307
_c21.5cms
942 _cGEN
999 _c109357
_d109357