TY  - BOOK
AU  - Ritter,Michael E.
TI  - Earth online: an Internet guide for earth science 
SN  - 0534517072
PY  - 1997///
CY  - Belmont, CA
PB  - Wadsworth Publishing Co.
KW  - Earth sciences
KW  - Computer network resources
KW  - Internet
N1  - Includes bibliographical references and index; Open access
ER  -