TY  - BOOK
AU  - Unger H G
TI  - Introduction to quantum electronics
T2  - International series of monographs in natural philosophy; 27
U1  - D66.,8(C5:72), L0;1   TTC 
PY  - 1970///
CY  - Oxford
PB  - Pergamon Press      
KW  - Electrical engineering
ER  -