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  - Planetas (Estados Fisicos)
KW  - larpcal
KW  - Planeten
KW  - gtt
KW  - Système solaire
KW  - Origines
KW  - ram
N1  - Includes bibliographical references
UR  - http://www.archive.org/details/planetstheirorig00urey
UR  - http://www.openlibrary.org/books/OL6109514M
ER  -