1.
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Englewood Cliffs, N.J., Prentice-Hall [1965]
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2.
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Cambridge ; New York : Cambridge University Press, 1993.
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3.
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Cambridge ; New York : Cambridge University Press, 1993.
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4.
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Garden City, N.Y., Doubleday c1966.
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5.
|
New York : Viking Press, c1961.
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6.
|
New York : Viking Press, c1963.
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