000 00306nam a2200121Ia 4500
008 191012s9999||||xx |||||||||||||| ||und||
020 _a9788176841749
100 _aRenouned Author
245 0 _aUgc-Csir Net Common For All
250 _a3RD ED.
260 _bSatya Prakashan
_aNew Delhi
_c2003
942 _cBK
999 _c51506
_d51506