@article{RSMUP_1981__65__85_0,
     author = {Bierbrauer, J\"urgen},
     title = {Blocking sets of maximal type in finite projective planes},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {85--101},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {65},
     year = {1981},
     mrnumber = {653285},
     zbl = {0484.05024},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_1981__65__85_0/}
}