TY  - BOOK
AU  - Jones,C.F.
AU  - Pico,R.
AU  - Pico,R.
TI  - Symposium on the geography of Puerto Rico / 
U1  - 91(7295) JON 
PY  - 1955///
CY  - 
PB  - 
KW  - Physical geography
KW  - Pueto Rico
KW  - Congresses
ER  -