TY  - BOOK
AU  - Navarra,John Gabriel
TI  - Earth, space and time: an introduction to earth science 
SN  - 0471630616
PY  - 1980///
CY  - New York
PB  - John Wiley & Sons
KW  - Earth sciences
N1  - Includes index; Bibliography : p.  424 -428
ER  -