TY  - BOOK
AU  - J P Gulford
AU  -  William B Michael, 
TI  - Elementary Statistical Exercises
U1  - 519.028 
PY  - 1956///
CY  - New York
PB  - Mc Graw Hill Book Co Ltd
N1  - J P Gulford & William B Michael: Elementary Statistical Exercises.  (3 rd Ed)  New York.  Mc Graw Hill Book Co Ltd, 1956.--(519.028GUL)
ER  -