000 00255nam a2200097 4500
245 _aIntroduction to quantum electronics
_cH.G. Unger
100 _aUnger, H.G.
260 _aOxford
_bPergamon Press
_cc1970
300 _axi,184p.; 23cm.
082 _a621.381
_bUNG
999 _c26670
_d26670