01008nam0-22002891i-450-990000984690403321000098469FED01000098469(Aleph)000098469FED0100009846920000920d1951----km-y0itay50------baengSemi-Conducting MaterialsProceedings of the Conference held at the University of Reading under the auspices of the International Union of Pure and Applied Physics in cooperation with the Royal SocietyOrganizers R.W. Ditchburn, N.F MottConference Secretary and Editor H.K. HenischLondonButterworths1951Semiconduttori537.622Ditchburn,R.W.14669Henisch,Heinz K.Mott,Nevill FrancisITUNINARICAUNIMARCBK99000098469040332130-01914883FI1FI1Semi-Conducting Materials353495UNINAING01