TY  - JOUR
AU  - Nieminen, U. J.
TI  - The block plan problem. A graphtheoretic approach
JO  - Kybernetika
PY  - 1973
SP  - 
EP  - 373
VL  - 09
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/KYB_1973__9_5_a3/
LA  - en
ID  - KYB_1973__9_5_a3
ER  -