TY  - BOOK
AU  - Root-Berstein,Robert Scott
TI  - Discovering
SN  - 0674211758
U1  - 502.8 
PY  - 1989///
CY  - Massachusetts
PB  - Harvard University Press
KW  - CIENCIA
KW  - METODOLOGIA
N1  - Donaciòn Dr. Bruno Gûnther
ER  -