Steel, Robert George Douglas books & textbook
Principles and Procedures of Statistics: A Biometrical Approach
McGraw-Hill College /1980T Hardcover / 633 Pages
isbn-10: 0070609268 / isbn-13: 9780070609266
Introduction to statistics (McGraw-Hill series in probability and statistics)
McGraw-Hill /1976T Hardcover / 382 Pages
isbn-10: 0070609187 / isbn-13: 9780070609181
