000 00322nam a2200145Ia 4500
100 _aPrakash,Ram
020 _a81-7024-552-4
365 _b500
942 _cBK
654 _a
245 _aMan,Science andEnvironment
260 _aNew Delhi
_bAshish Publishing House
_c1993
082 _a574.5
300 _bHb
_aviii,334
999 _c389242
_d389242
041 _aeng