TY  - BOOK
ED  - Estados Unidos.
TI  - Tables for a polyconic projection of maps and lengths of terrestrial arcs of meridian and parallels: Based upon clarke's reference spheroid of 1866 
T2  - Special publication/u.s. departament of commerce, coast and geodetic survey
AV  - GA115 T33
PY  - 1935///
CY  - Washington
PB  - Goverment printing office
KW  - Proyección cartográfica
ER  -