TY  - BOOK
AU  - Harris, Errol E.
TI  - Hypothesis and perception; the roots of scientific method
U1  - 500.18 
PY  - 1970///
CY  - London
PB  - Allen & Unwin
KW  - Ciencia
KW  - MetodologÃ­a
KW  - HipÃ³tesis
KW  - PercepciÃ³n
ER  -