TY  - BOOK
AU  - Carter,Bill
AU  - Carter,Merri Sue
TI  - Latitude: how American astronomers solved the mystery of variation 
SN  - 1557500169
U1  - 526.61 
PY  - 2002///
CY  - Annapolis, MD.
PB  - Naval Institute Press
KW  - Chandler, Seth Carlo,
KW  - Newcomb, Simon,
KW  - Latitud
N1  - Incluye bibliografía
ER  -