00331nam a2200109Ia 4500008004100000040003800041100001600079245004800095260003200143300001800175653002800193211217s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aUrban, Paul 0aTopics in applied quantum - electrodynamics  bSpringer VerlagaWienc1970  aviii,268p. p.  aQuantum electrodynamics