TY  - BOOK
AU  - Toulmin,Stephen Edelston
AU  - Barzun,Jacques
TI  - Foresight and understanding: an enquiry into the aims of science 
AV  - BF325 T68
PY  - 1963///
CY  - New York
PB  - Harper & Row
KW  - Comprensión
ER  -