TY  - BOOK
AU  - Raghavarao, Damaraju.
TI  - Constructions and combinatorial problems in disign of experiments
T2  - A Wiley publication in mathematical statistics
U1  - 519.535 
PY  - 1971///
CY  - New York
PB  - Wiley
KW  - Diseños experimentales
ER  -