Introductory statistics for biology / R. E. Parker. Parker, R. E. (Reginald Ernest) Biometry. QH323.5 .P37 1979 519.5024574 PAI Bibliography: p. [115] Baltimore : University Park Press, 1979. 1979. 1979 Text v, 122 p. : eng The Institute of Biology's Studies in biology ; no. 43