00446nam a22001697a 4500003000600000005001700006008004100023040001400064082001500078100001700093245004400110260003000154300003800184500001800222650002600240650001000266GCWUF20190423233352.0190423b        xxu||||| |||| 00| 0 eng d  bengcMAIN  a539.2bREA  a Read, F. H.  aElectromagnetic radiationc Read, F. H.  aNew York :bWiley,c1980.  axiv,331 p. :bill ;c24 cm.fH.B.  aInclude Index  aElectromagnetic waves  aLaser