author = { Häuser, Kurt Martignoni, Giovanni },

title = { Ist Martignoni der Erfinder des Spiralbohrers? },

publisher = {},

isbn = {1662-3096},

year = {1968},

abstract = {Xerokopien},

address = { },

url = { http://slubdd.de/katalog?TN_libero_mab2 }