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Amsterdam [u.a.]: North-Holland Publ. Co., 1980
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Amsterdam [u.a.]: North-Holland, 1988
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Amsterdam [u.a.]: North-Holland, 1985
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Cambridge University Press (CUP), 1968
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Cambridge University Press (CUP), 1983
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The Mathematical Association, 1983
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JSTOR, 1980
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The Mathematical Association, 1980
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JSTOR, 1978
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JSTOR, 1978
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Bell & Hyman Ltd., 1978
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Bell & Hyman Ltd., 1978
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JSTOR, 1977
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G. Bell and Sons Ltd., 1977
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Cambridge University Press (CUP), 1973
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JSTOR, 1974
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Cambridge University Press (CUP), 1973
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G. Bell and Sons Ltd., 1973
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G. Bell and Sons Ltd., 1974
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G. Bell and Sons Ltd., 1973