TY  - BOOK
AU  - Killeffer, David Herbert
AU  - Manufacturing Chemists' Association
TI  - How did you think of that?: an introduction to the scientific methos 
AV  - Q 175 K46
PY  - 1969///
CY  - Garden City, N.Y.
PB  - Doubleday
KW  - Ciencia -
KW  - Metodología
N1  - Incluye bibliografía
ER  -