000 00314nam a22001337a 4500
003 OSt
008 231215b |||||||| |||| 00| 0 eng d
082 _a574.5
_bV98E
100 _aVyas, A. B.
245 _aEcological Principles
260 _aJaipur
_bInternational Science
_c1975
300 _a127
942 _2ddc
_cBK
999 _c34769
_d34769