000 00321nam a2200133Ia 4500
008 160316s1980 xxu||||| |||| 00| 0 eng d
020 _a
100 _aAgarwal, V.P
245 _aProgress In Ecology
250 _a
260 _aNew Delhi
_bToday & Tommorows Printers and Publishers
_c1980
300 _a167
700 _a
_a
999 _c17730
_d17730