Villy Christensen (Christensen, Villy)
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The Handbook of Fish Biology and Fisheries
by Paul Hart, John Reynolds, Villy Christensen, Ian G. Cowx, Nicolas Dulvy
Hardcover, Blackwell Publishing Limited, ISBN 063206482X (0-632-06482-X)
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Trophic Models of Aquatic Ecosystems
by D. Pauly, International Center for Living Aquatic Resources Management, International Council for the Exploration of the Sea., DANIDA, Villy Christensen
Hardcover, International Center for Living Aquatic Resources Management, ISBN 9711022842 (971-10-2284-2)