000 00399nam a2200145Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aQA76.B6
100 1 _aBooth, Andrew D.
_eAuthor
245 1 0 _aAutomatic digital calculators
_cAndrew D. Booth
260 _aLondon
_bButterworths
_c1953
300 _a230p.
_bill.
_c22cm.
650 1 _aDigital calculators
942 _2lcc
_cBK
_n0
999 _c74102
_d74102