author = { Halloran, James D. AND Elliott, Philip Ross Courtney AND Murdock, Graham Noble, Grant },

title = { Demonstrations and communication a case study },

publisher = {Penguin Books},

year = {1970},

booktitle = {Penguin special},

address = { Harmondsworth },

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