@article{GDZPPN002465779,
title = {Bounds on the Efficiency of the Residual Design of Extended BIB Designs.},
journal = {Metrika},
volume = {40},
year = {1993},
pages = {191-201},
zbl = {0770.62058},
url = {http://dml.mathdoc.fr/item/GDZPPN002465779}
}
Kageyama, Sanpei; Setoya, Hiroshi. Bounds on the Efficiency of the Residual Design of Extended BIB Designs.. Metrika, Tome 40 (1993) pp. 191-201. http://gdmltest.u-ga.fr/item/GDZPPN002465779/