000 00362nam a2200145Ia 4500
008 221001s1992 xx 000 0 eng d
020 _a0706963709
082 _a574.5 KUM
100 _aKumar, H. D.
245 0 _aModern concepts of ecology
250 _a7th ed.
260 _aNew Delhi
_bVikas Publishing House
_c1992
300 _ax, 377p.
942 _2ddc
_cBK
999 _c12205
_d12205