00638nam a2200193Ia 4500003000900000008004100009020001800050040001600068080002200084245012000106260004200226300001600268650004100284650002400325650003200349650001200381700002200393700002900415IN-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 Russel  aHertzsprung Russell diagram  aSpectra  aHayes, D. S., ed.  aPhilip, Davis A. G., ed.