000 00307nam a22001457a 4500
003 OSt
020 _aNA
040 _c0
082 _222
_a005.13322
100 _aKaretkar, Yashavant.
245 _aLet us c /
260 _bNew Delhi BPB,
_cc1999.
300 _axx,770 p, ;
_bNA
_c24 cm.
942 _2ddc
_cIT
_04
999 _c4593
_d4593