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1
by Potter, P. E., Pettijohn, F. J.
Published 1977
Springer Berlin Heidelberg
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2
by Pettijohn, F. J., Potter, P. E., Siever, R.
Published 1972
Springer New York
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3
by Pettijohn, F. J., Potter, P. E.
Published 1964
Springer Berlin Heidelberg
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4
by Potter, P. E., Pettijohn, F. J.
Published 1963
Springer Berlin Heidelberg