(1972). Who's who in science in Europe: a reference: Guide to European scientists. Francis Hodgson.
Tohutoru Kātū Chicago (17th ed.)Who's Who in Science in Europe: A Reference: Guide to European Scientists. Guernsey: Francis Hodgson, 1972.
Tohutoro MLA (9th ed.)Who's Who in Science in Europe: A Reference: Guide to European Scientists. Francis Hodgson, 1972.
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