@article{GDZPPN002462737,
title = {Analysis of PBIB Designs Using Association Matrices.},
journal = {Metrika},
volume = {36},
year = {1989},
pages = {1-6},
zbl = {0668.62055},
url = {http://dml.mathdoc.fr/item/GDZPPN002462737}
}
Gupta, S.; Singh, M. Analysis of PBIB Designs Using Association Matrices.. Metrika, Tome 36 (1989) pp. 1-6. http://gdmltest.u-ga.fr/item/GDZPPN002462737/