TY  - BOOK
AU  - Wesserman,Paul
AU  - Sanders,James
AU  - Sanders,T.Elizabeth
TI  - Encyclopedia of geographic information sources 
T2  - (Originally issued as V.2 of the Encyclopedia of business information sources.)
SN  - 0-8103-0374-4
AV  - REF HF5353.E54 1978 
PY  - 1978///
CY  - Michigan
PB  - Gale Research Co
KW  - Business
KW  - Information services
ER  -