000 00411nam a2200145Ia 4500
008 180713s9999 xx 000 0 und d
082 _a500.2 S3
100 _a"Singh, N M "
245 0 _aUGC-CSIR Physical Sciences
260 _aDELHI
260 _b DANIKA
260 _c2009
365 _b300
942 _cBK
999 _c110810
_d110810