TY  - BOOK
AU  - Christopherson, Robert W.
TI  - Geosystems
SN  - 0130613452 (hardcover) | 97801
U1  - 551 C553 G 
PY  - 2001///
CY  - [S.l.]
PB  - Addison Wesley Longman
UR  - http://www.amazon.com/exec/obidos/ASIN/0130613452/chopaconline-20
ER  -