00927nam0-22003011i-450-99000026506040332120001010000026506FED01000026506(Aleph)000026506FED0100002650620001010d--------km-y0itay50------baitay-------001yyOptical properties of inhomogeneus materialsApplications to geology, astronomy, chemistry, and engineeringWalter G. Egan, Theodore W. Hilgeman.New YorkAcademic press1979XI,235 p., ill., 24 cm535Egan,Walter G.13391Hilgeman,Theodore W.ITUNINARICAUNIMARCBK99000026506040332104 044-155IRC 1655/LDINCHDINCHOptical properties of inhomogeneus materials118865UNINAING01