000 00253nam a22001217a 4500
003 OSt
100 _aSaraswat, K L
245 _aShaishik Moolyakan
250 _a3rd ed.
260 _aAgra
_bAgarwal Publication
_c2014
300 _a133p.
942 _2ddc
_cBK
999 _c4087
_d4087