TY  - JOUR
AU  - Colbourn, Charles J.
AU  - Phelps, Kevin T.
AU  - Rödl, Vojtěch
TI  - Block Sizes in Pairwise Balanced Designs
JO  - Canadian mathematical bulletin
PY  - 1984
SP  - 375
EP  - 380
VL  - 27
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1984-057-0/
DO  - 10.4153/CMB-1984-057-0
ID  - 10_4153_CMB_1984_057_0
ER  -