TY  - SER
ED  - American Congress on Surveying and Mapping
TI  - Surveying and mapping: quarterly publication of American Congress on Surveying and Mapping
SN  - 0039-6273
AV  - TA501 
U1  - 526.905 
PY  - 1944///-1989
CY  - Washington, D.C.
PB  - The Congress
KW  - Topografía
KW  - Cartografía
N1  - Título de la cubierta; GeoRef information system
ER  -