TY  - BOOK
AU  - Beveridge,W.I.B., x
AU  - x
TI  - The art of scienticfic investighation: x
SN  - x
U1  - 507/BEA 
PY  - 1961///
CY  - Melbourne
PB  - Heinemann
KW  - Science - Study and Teaching
N1  - x
ER  -