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Ardea Official journal of the Netherlands Ornithologists' Union |
| Gruys-Casimir E.M. (1966) Boekbespreking. Gruys-Casimir E.M. 1965. On the influence of environmental factors on the autumn migration of Chaffinch and Starling: a field study. ARDEA 54 (1-2): 94-95 |
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