TY  - BOOK
ED  - ACSM - ASPRS Annual Convention
TI  - Technical papers. Vol.3
SN  - 0-944426-41-7
AV  - GY TA502.A47 Vol.3 
PY  - 1991///
CY  - Bethesda : 
PB  - American Congress on Surveying and Mapping
KW  - Remote sensing
KW  - Congresses
KW  - Canada
ER  -