TY - BOOK AU - Sharma,B.L. AU - Purohit,R.K. TI - Semiconductor heterojunctions SN - 0080177476 : U1 - 621.3815 PY - 1974/// CY - Oxford PB - Pergamon Press KW - Semiconductors KW - Junctions KW - Optoelectronic devices N1 - Includes index ER -