00657nam0-22002411i-450-990001171210403321000117121FED01000117121(Aleph)000117121FED0100011712120000920d1976----km-y0itay50------baengSelected Topics in Wave Propagationby CH EN PETER J.LeydenNoordhoff1976Chen,Peter J.55528ITUNINARICAUNIMARCBK990001171210403321181-E-1518506MA1MA1Selected Topics in Wave Propagation346217UNINAING01