000 00277nam a2200109Ia 4500
008 160710s1959 xx 000 0 und d
100 _aCLAYTON,A.E.
245 _aPERFORMANCE & DESIGN OF D.C. M/C
260 _aLONDON
_bSIR ISAAC PITMAN
_c1959
300 _a516
942 _2ddc
_cBB
999 _c71950
_d71950