000 00309nam a2200145Ia 4500
100 _aMohan,I.
020 _a81-7024-365-3
365 _b300
942 _cBK
654 _a
245 _aFragile environment
260 _aNew Delhi
_bAshish Publishing House
_c1991
082 _a574.5
300 _bHb
_ax,378
999 _c392304
_d392304
041 _aeng