TY  - BOOK
AU  - Spar, Jerome,
TI  - Earth, sea, and air, a survey of geophysical sciences
T2  - Addison-Wesley series in the earth sciences
AV  - GB55 S67 1965
PY  - 1965///
CY  - Reading, mass
PB  - Addison-wesley
KW  - Tierra (Planeta)
ER  -