author = { Gunn, Robert P. },

title = { Inventors and engineers of Caithness },

publisher = {Whittles},

isbn = {1870325028},

keywords = { Biografie , Caithness , Ingenieur , Erfinder },

year = {1998},

address = { Latheronwheel },

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