000 00249nam a22001217a 4500
003 OSt
100 _aAgarwal, Amitabh
245 _aLok Prasasan
250 _a2nd ed.
260 _aAgra
_bAgarwal Publication
_c2015
300 _ap.580
942 _2ddc
_cBK
999 _c4754
_d4754