00779nam a22002292  45000010005000000030008000050050017000130080041000300350050000710400037001210410008001580820024001661000037001902450070002272600046002973000035003434900071003785040020004496500022004698300010004918300048005018915BD-RjUL20211208234659.0140119s1952    enk           000 0 eng d  a(BD-RjUL)8960aOCLC ocm12858988 from D971110M  aEUNcEUNdUKMdEQOdBD-RjULbeng  aeng04a523.2218bURP 19521 aUrey, Harold Clayton,d1893-198114aThe planets :btheir origin and development /cby Harold C. Urey.  aLondon :bOxford University Press,c1952.  axvii, 245 p. :bill. ;c24 cm.1 aYale University. Mrs. Hepsa Ely Silliman memorial lectures ;v1951  aIncludes index. 0aPlanetary theory. 0v1951. 0aMrs. Hepsa Ely Silliman memorial lectures ;