00620nam a2200205Ia 4500003000900000008004100009020001800050040001600068080001300084100002800097245007300125250001200198260003300210300001500243650001600258650001900274942000700293999001500300952009900315IN-BaIIA211028s9999    xx            000 0 eng d  a0-12-218150-6  cIIA Library  a535bDIT  aDitchburn, R. W.913175 0aLightcR. W. Ditchburn                                                a3rd ed.  aLondonbAcademic Pressc1976  axxv, 775p.  aLight92428  aNASA Thesaurus  cBK  c7804d7804  00104070aBANbBANcGENd1983-12-05l0o535/ DITp8621r2021-11-05w1983-12-05yBKG£ 45.99