000 00410nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
020 _a817041699X
084 _a574.5 C10
100 _a"Chadha, S K"
245 0 _aFragile Environment
250 _a\\199300ENGGPSX
260 _aAnmol Publications
260 _b1993
260 _cNew Delhi
500 _aincludes index and biblioraphy
942 _cBK
999 _c54801
_d54801