000 00369cam a22001337a 4500
008 180718b1951 xxu||||| |||| 00| 0 eng d
082 _aL807 C333
100 _aCemach, Harry P.
245 _aElements of punched card accounting
_cby Harry P. Cemach
260 _aLondon
_bPitam
_c1951
300 _a137p.
500 _a18/-
650 _aPunched Card Systems - Accounting
999 _c361902
_d361902