000 00309cam a22001097a 4500
008 180718b1962 xxu||||| |||| 00| 0 eng d
082 _aN120x54 C733/5
100 _aKhera, P. N.
245 _aTechnical services : ordnance & ieme
_cby P. N. Khera
260 _aNew Delhi
_bOrient Longmans
_c1962
300 _a479p.
999 _c410606
_d410606