000 00255 a2200121 4500
020 _a978-81-8330-277-7
100 _aSINGH AK
245 _aPUSTKALYA VARGIKARAN
250 _aNA
260 _bARJUN PUBLISHING HOUSE
_c2011
440 _aNA
490 _aNA
999 _c301301
_d301301