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1
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2Published 1979“...HT 169.5 .U72...”
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4by Hoogvelt, Ankie M. M. (Ankie Maria Margaretha), 1941-“...HN 980 .H779 1978...”
Published 1978
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6Published 1984“...HQ 1870.9 .W8721...”
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10Published 1986“...HQ 1240.5 .D44 .V831...”
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15Published 1975“...HN 980 .B573...”
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