000 00249nam a22001097a 4500
082 _a
_b
100 _aArun Kumar Pathak
245 _aBharath mem vijnan aur praudhyogiki
260 _a
_bMadhuli ka Prakashan,
_c2011.
650 _a
942 _cBK
999 _c176435
_d176435