000 00589nam a2200193Ia 4500
008 191130s1983##################000#0#eng##
040 _aACL
_cACL
082 _a363.6 NEG
100 _aNegi, S. S
245 _aEnvironmental conservation
_cS. S. Negi
260 _aDehra Dun
_bBishen Singh Mahendra Pal Singh
_c1983
300 _a78 p. ; 23 cm
500 _aIncludes bibliographical references
650 _aEnvironmental management
650 _aEnvironmental Pollution - prevention & control
990 _a29c1c304ac10000c0a815eca6176708a
991 _a280375
999 _c175192
_d175192