@article{RCM_1997_31_2_a3,
     author = {PAOLO DULIO and Politecnico di Milano and ITALIA},
     title = {Some results on the integral geometry of unions of independent families},
     journal = {Revista colombiana de matematicas},
     pages = {99--108},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {1997},
     url = {http://geodesic.mathdoc.fr/item/RCM_1997_31_2_a3/}
}