author = { Zimmerman, Steven M. AND Beatty, Warren AND O'Rourke, Fred },

title = { Better safe than sorry },

publisher = {Elsevier BV},

isbn = {0360-8352},

keywords = { General Engineering , General Computer Science },

year = {1992},

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