00573nam a2200181Ia 4500003000900000008004100009040001600050080001300066100002200079245005000101260003900151300001300190650004100203650001100244942000700255999001500262952011400277IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a535bMAC  aMach, Ernst97050 4aThe principles of physical opticscErnst Mach  aNew YorkbDover Publicationsc1926  ax, 324p.  aAstronomy and astrophysics thesaurus  aOptics  cBK  c3983d3983  00104070aBANbBANcGENd1972-08-10g13.50l0o535/ MACp4445r2021-11-05v13.50w1972-08-10yBKGRs. 13.50