TY  - BOOK
AU  - American Socoety for Photogrammetry and Remote Sensing
TI  - GIS/LIS: technical papers 1989 ASPRS/ACSM Annual Convention, 
SN  - 0944426530 (paperback)
CY  - Vancouver:\bAmerican
KW  - GIS
N1  - ASPRS/ACSM 1989 Agenda forthe 90s, April 2-7 Baltimore, Maryland
ER  -