Joe Chaffee, C. A. Rodger. Group divisible designs with two associate classes, and quadratic leaves of triple systems. Discrete Mathematics, 313(20):2104-2114, 2013. [doi]
@article{ChaffeeR13,
title = {Group divisible designs with two associate classes, and quadratic leaves of triple systems},
author = {Joe Chaffee and C. A. Rodger},
year = {2013},
doi = {10.1016/j.disc.2013.04.031},
url = {http://dx.doi.org/10.1016/j.disc.2013.04.031},
researchr = {https://researchr.org/publication/ChaffeeR13},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {313},
number = {20},
pages = {2104-2114},
}