TY  - BOOK
AU  - Beveridge,W.I.B.
TI  - The art of scientific investigation
T2  - Vintage books ; v.129
U1  - 501/B571a 
PY  - 0000///[s.d.]
CY  - N. Y.
PB  - Alfred A. Knopf ; Randon House
KW  - Science
KW  - Philosophy and theory
N1  - Appendix, bibliography and index at the end
ER  -