TY  - BOOK
AU  - Duncan, Ronald
TI  - The Encyclopedia of ignorance: everything you ever wanted know about the unknown 
SN  - 0-08-021238-7
AV  - Q 158.5 E52
PY  - 1977///
CY  - Oxford
PB  - Pergamon
KW  - Ciencia
N1  - Incluye índice
ER  -