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1Gepubliceerd in 1925### CRL customization ### ?> ### Add publisher and desc details ### ?>London : Percy Lund, Humphries & Co., 1925.5 v. : ill., maps (some folded) ; 25 cm.“...World Power Conference...”
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2Gepubliceerd in 1925### CRL customization ### ?> ### Add publisher and desc details ### ?>London : Percy Lund, Humphries & Co., 1925.5 v. : ill., maps (part folded., part col.) ; 25 cm.“...World Power Conference...”
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3London, Published by Percy Lund, Humphries on behalf of the Central Office, World Power Conference.29 cm.“...World Power Conference...”
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4Gepubliceerd in 1936### CRL customization ### ?> ### Add publisher and desc details ### ?>Moscow, INRA publishing society, 1936.xvi, 496 p., 1 l., illus., maps (part fold.), diagrs. 23 cm.“...World Power Conference...”