000 00286nam a2200109Ia 4500
008 160710s1959 xx 000 0 und d
100 _aTHOMSON,J. & CALLICK,E.B.
245 _aELECTRON PHYSICS & TECHNOLOGY
260 _bENGLISH UNIVERSITY PRESS
_c1959
300 _a527
942 _2ddc
_cB
999 _c21757
_d21757