00912nam a2200277 i 450099100102873970753620020507105323.0960219s1971 uk ||| | eng b10163578-39ule_instLE00640968ExLDip.to Fisicaita53.2.453.2.246535'.4QC415Ball, C.J.462536An introduction to the theory of diffraction /C.J. BallOxford :Pergamon,1971viii, 134 p. :ill. ;21 cm.Diffraction.b1016357821-09-0627-06-02991001028739707536LE006 53.2.4 BAL12006000045476le006-E0.00-l- 01010.i1019814327-06-02Introduction to the theory of diffraction188803UNISALENTOle00601-01-96ma -enguk 31