TY  - BOOK
AU  - Yin Y Q
ED  - Pittsburgh Univ. Centre for Multivariate Analysis
TI  - On a general approach to bibd
U1  - 000SA.07 
PY  - 1982///
CY  - Pittsburgh
PB  - Pittsburgh Univ. Centre for Multivariate analysis
KW  - Bibd
ER  -