The art of scientific investigation.
Beveridge, W. I. B. 1908-,
The art of scientific investigation. - third edition. - New York, Vintage Books (c)1957. - 239 pages 19 cm.
Research.
Q180 / .A786 1957
The art of scientific investigation. - third edition. - New York, Vintage Books (c)1957. - 239 pages 19 cm.
Research.
Q180 / .A786 1957