00824nam a2200229Ia 4500003000900000008004100009020001800050040001600068080001500084100002600099245015200125260003500277300001400312650003500326650001900361650002900380650001100409700003300420942000700453999001500460952011900475IN-BaIIA211028s9999    xx            000 0 eng d  a0-12-232650-4  cIIA Library  a535.5bEGA  aEgan, Walter G912086 0aOptical properties of inhomogeneous materialsbapplications to geology, astronomy, chemistry and engineeringcWalter G Egan and theodore W Hilgeman  aNew YorkbAcademic Pressc1979  axi, 235p.  ainhomogeneous materials912087  aNASA thesaurus  aOptical properties93730  aOptics  aHilgeman, Theodore W.912088  cBK  c7064d7064  00104070aBANbBANcGENd1982-05-10g571.20l0o535.5/ EGAp7844r2021-11-05v571.20w1982-05-10yBKGRs. 571.20