TY  - BOOK
AU  - Westfall,John,comp
ED  - Symposium for Research Amateur Astronomy (July 12 
TI  - Guidebook: Los Cabos, 1769 transit of Venus field trip July 12, 1991 
AV  - QB511 S95
PY  - 1991///
CY  - [S.l.
PB  - s.n.]
N1  - Coleccion California mexicana Ascension y Miguel Leon Portilla
ER  -