00827nam a2200229Ia 4500003000900000008004100009020001800050040001600068080002200084245012000106260004200226300001600268650004100284650003100325650003800356650001800394700002900412700003600441942000700477999001500484952009800499IN-BaIIA211028s9999    xx            000 0 eng d  a90-277-0905-X  cIIA Library  a082.2:52bIAU-S80 4aThe HR diagrambthe 100th anniversary of Henry Norris Russelcedited by A. G. Davis Philip and Henry Norris Russell  aDordrechtbD. Reidel Publishingc1978  axxvi, 474p.  aAstronomy and Astrophysics Thesaurus  aHenry Norris Russel910532  aHertzsprung Russell diagram98247  aSpectra91735  aHayes, D. S., ed.910533  aPhilip, Davis A. G., ed.910534  cBK  c6076d6076  00104070aBANbBANcGENd1978-11-30l0o082.2:52/ IAU-S80p6784r2021-11-05w1978-11-30yBK