author = { McKelvy, Ernest C. AND Isaacs, Aaron },

title = { Causes and prevention of the formation of noncondensible gases in ammonia absorption refrigeration machines },

publisher = {Government Printing Office},

year = {1920},

booktitle = {Technologic papers of the Bureau of Standards ; 180},

address = { Washington, DC },

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