Joseph A. Greenwood

The mathematical methods.

J. G. Pratt, J. B. Rhine, Burke M. Smith, 1940 .

The counter-hypotheses: II. Considered jointly.

J. G. Pratt, J. B. Rhine, Burke M. Smith, 1940 .

A general view of the present situation.

J. G. Pratt, J. B. Rhine, Burke M. Smith, 1940 .