Recent Monographs of Bell System Technical Papers Not Published in thisJournal

Donor Electron Spin Relaxation in Silicon, Monograph 2874. ANDERSON, O . L . , CHRISTENSEN, H . a n d ANDREATCII, P . , J R . Technique for Connecting Electrical Leads to Semiconductors, Monograph 2875. ANDREATCII, P . , JR., BALLHAUSEN, BENES, V . E . see Anderson, O. L. C. J., See Liehr, A. D. A Sufficient Set of Statistics for a Simple Telephone Exchange Model, Monograph 2851. BENSON, K . E . , BOGERT, B . P .