TY  - BOOK
AU  - Barzun, Jacques
TI  - The modern researcher: : the classic manual on all aspects of research and writing / 
SN  - 0-15-562510-1
U1  - 001.4 B296m 
CY  - s.l.
PB  - Harcourt, Brace & World
KW  - INVESTIGACIÓN CIENTÍFICA
ER  -