TY  - BOOK
ED  - ACSM - ASPRS Annual Convention
TI  - Techical papers.Vol.5
T2  - Photogrammentry and Primary data acquisition
SN  - 0-944426-43-3
AV  - GY TA502.A47 Vol.5 
PY  - 1991///
CY  - Bethesda MD : 
PB  - American Congress on Surveying and Mapping
KW  - Geographical information systems
KW  - Data processing
KW  - Congresses
KW  - Canada
N1  - Includes bibliographical references
ER  -