000 00253nam a22001217a 4500
003 OSt
082 _a507 RAW
100 _aRawat, M S
245 _aNaveen Vigyan Shikshan
260 _aAgra
_bAgarwal Publication
_c2014
300 _a243p.
942 _2ddc
_cBK
999 _c4059
_d4059