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Ari Julku, Kimmo Pyrhönen
Comprehensive technical and operational history (in Finnish only) of the distinctive Hr 13 (later Dr 13) C’C’ dieselelectrics of the Finnish state railways. Two prototypes delivered by Alsthom in 1963 were followed by 52 locos built locally. The last ones were withdrawn from regular service in 2000. 240 pages A4, ca 450 colour photos, hb.