Harvard observatory centennial symposia, december 1946  contributions on interstellar matter, electronics and computational devices, eclipsing binaries the gaseous envelope of the earth 
The Harvard College Observatory                              
 - Cambridge  Harvard Observatory  1948 
 - viii, 385p. 
 - Harvard observatory monographs; no. 8 .
<br/><br/> Donated by Mrs. Bappu 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Eclipsing Binaries<br/>Gaseous Envelope<br/>Interstellar Matter
<br/><br/><label>Universal Decimal Class. No.: </label>524.575  / HOM