TY  - BOOK
AU  - Shattuck, George Cheever.
TI  - The penisula of Yucatan: : medical, biological, meteorological and sociological studies
T2  - Publication
U1  - 917.27 
PY  - 1933///
CY  - Washington
PB  - Carnegie Institution
KW  - Yucatán
KW  - Geografía
ER  -