TY  - BOOK
AU  - Kressel Henry
AU  -  Butler J K
TI  - Semiconductor lasers and hetero junction
T2  - Quantum electronics-principles a applications
U1  - D66,8(C5:72), L7 
PY  - 1977///
CY  - New York 
PB  - Academic Press     
KW  - Electrical laser
N1  - Appendix 581-602p
ER  -