000 00419nam a2200181Ia 4500
008 180424s9999 xx 000 0 und d
020 _a8171333230
084 _a574.5 S35:1
100 _a"Sharma, P D"
245 0 _aEnvironmental Biology
250 _a\\199700ENGGPSX
260 _aRastogi
260 _b1997
260 _cMeerut
300 _a416p
500 _aincludes index and biblioraphy
942 _cBK
999 _c60300
_d60300