TY - BOOK AU - Steel, Robert G.D. AU - Torrie, James H. TI - Principles and procedures of statistics: a biometrical approach U1 - 519.5 21st ed. PY - 1960/// CY - New York PB - McGraw-Hill International Book Company KW - Biometrics KW - Mathematical statistics KW - Variance N1 - Index: pp 472-81 ER -