% % Held91 On the computational geometry of pocket machining % @Book{Held91NC, author = "Martin Held", title = "On the computational geometry of pocket machining", publisher = "Springer-Verlag", year = "1991", OPTeditor = "G. Goos and J. Hartmanis", number = "500", series = "Lecture notes in computer science", address = "Berlin", OPTmonth = "", note = "178 pages.", annote = "Revision of the author's dissertation (Ph.D) -- Dept. of Mathematics and Computer Science, University of Salzburg, Salzburg, Austria" }