Fisher, Ronald Aylmer, Sir, 1890-1962- Statistical tables for biological,: agricultural, and medical research Ronald A. Fisher and Frank Yates. - 6th ed., rev. and enl. - New York Hafner Press 1963 - x, 146 pages ; 29 cm. Bibliography: p. 41-43. ISBN: 0028447204 Subjects--Topical Terms: Statistics--Charts, diagrams, etcMathematical statisticsBiomathematics