TY  - BOOK
AU  - Urey,Harold Clayton
TI  - The planets, their origin and development
T2  - Yale University. Mrs. Hepsa Ely Silliman memorial lectures
AV  - QB361 .U7
U1  - 521.5 
PY  - 1952///
CY  - New Haven
PB  - Yale University Press
KW  - Planetary theory
KW  - Local
N1  - Bibliographical footnotes
ER  -