Recent Monographs of Bell System Technical Papers not Published in thisJournal

Cooling Time of Strong Glass Fibers, Monograph 2943. ARCHER, R. J. Optical Measurement of Film Growth on Silicon and Germanium Surfaces, Monograph 2962. BACKENSTOSS, G. Conductivity Mobilities of Electrons and Holes in Heavily Doped Silicon, Monograph 29-14. BAKER, A . N., a n d WEBBER, D. S. Hydrogen Vibration Spectra of Rochelle Salt, Monograph 2963. BEMSKI, G., see Bittmann, C. A.