TY  - BOOK
ED  - GIS/LIS (1989 : Orlando, Florida)
TI  - GIS/LIS'89 : proceedings : annual conference and exposition, Orlando, Florida. Vol.1
SN  - 0-944426-61-1
AV  - GY G70.2.G5743 Vol.1 
PY  - 1989///
CY  - Bethesda, Maryland : 
PB  - American Society for Photogrammetry and Remote Sensing
KW  - Geographical information systems
KW  - Congresses
N1  - Includes bibliographical references
ER  -