@article{01428676, title = {2-blocking sets in PG(4, }, journal = {Beitr\"age zur Algebra und Geometrie}, volume = {41}, year = {2000}, pages = {247-255}, zbl = {0953.51008}, language = {en}, url = {http://dml.mathdoc.fr/item/01428676} }
Metsch, Klaus; Storme, L. 2-blocking sets in PG(4, . Beiträge zur Algebra und Geometrie, Tome 41 (2000) pp. 247-255. http://gdmltest.u-ga.fr/item/01428676/