000 00400nam a2200121Ia 4500
008 151011s9999 xx 000 0 und d
041 _aENG
245 _aNational symposium on role of science and technology in environmental preservation with special reference to hill development
260 _c1988
_aGangtok
_bSikkim Science Society
300 _a208p.
700 _aBalaraman, N.
942 _cBK
_2udc
999 _c21184
_d21184