@article{01413180,
title = {Evolutionary families of sets.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {7},
year = {2000},
zbl = {0940.05066},
language = {en},
url = {http://dml.mathdoc.fr/item/01413180}
}
Little, C.H.C.; Campbell, A.E. Evolutionary families of sets.. The Electronic Journal of Combinatorics [electronic only], Tome 7 (2000) . http://gdmltest.u-ga.fr/item/01413180/