@article{01274722,
title = {Some results on the integral geometry of unions of independent families.},
journal = {Revista Colombiana de Matem\'aticas},
volume = {31},
year = {1997},
pages = {99-108},
zbl = {0918.60010},
language = {en},
url = {http://dml.mathdoc.fr/item/01274722}
}
Dulio, Paolo. Some results on the integral geometry of unions of independent families.. Revista Colombiana de Matemáticas, Tome 31 (1997) pp. 99-108. http://gdmltest.u-ga.fr/item/01274722/