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Language: en
Pages: 56
Pages: 56
Type: BOOK - Published: 1941 - Publisher:
Language: en
Pages: 746
Pages: 746
Type: BOOK - Published: 1941 - Publisher:
Observations of wave motion phenomena in nature are essential, but laboratory studies leading to the evaluation of existing theories may be invaluable as a guid
Language: en
Pages: 56
Pages: 56
Type: BOOK - Published: 1941 - Publisher:
Language: en
Pages: 56
Pages: 56
Type: BOOK - Published: 1941 - Publisher:
Includes various editions of some numbers.
Language: en
Pages: 132
Pages: 132
Type: BOOK - Published: 1968 - Publisher: