TY  - BOOK
AU  - Johnson,Willis E.
TI  - Mathematical Geography
AV  - GA 
PY  - 2010///
CY  - Salt Lake City, UT
PB  - Project Gutenberg
KW  - Mathematical geography
N1  - Release date is 2010-02-21; Original publication data not identified
UR  - https://www.gutenberg.org/ebooks/31344
ER  -