Sokal, Robert R. Biometry : the principles and practice of statistics in biological research / Robert R. Sokal, F. James Rohlf. - 3rd ed / . - New York : W H Freeman , 1995. - xix,887p : ills,figs ; 24cm . NULL ISBN: 0716724111 GPB 32.95 Subjects--Index Terms: BIOMETRY Dewey Class. No.: 570.15195 / SOK/B