TY  - BOOK
AU  - Navarra John Gabriel
TI  - Earth, space and time :  An introduction to earth s   
U1  - H, M0 
PY  - 1980///
CY  - New York
PB  - John Wiley U S A     
KW  - Geology
N1  - Bib p. 424-28; Appendix p. 413-23
ER  -