The Sources of Invention

The Engineering Economist 1959 / 01 Vol. 4; Iss. 2

The Sources of Invention

Colum Gilfillan, S.
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Volume:
4
Language:
english
Journal:
The Engineering Economist
DOI:
10.1080/001379x5808546913
Date:
January, 1959
File:
PDF, 648 KB
english, 1959
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