Data Stream Interface
AppleTalk Filing Protocol Version 2.1 and 2.2
Inside AppleTalk Sidhu, Gurharan S.; Andrews, Richard F.; Oppenheimer, Alan B. (May 1990), Inside AppleTalk, Second Edition, Addison-Wesley Publishing Company, Inc., ISBN 0-201-55021-0
Apple Filing Protocol Programming Guide, April 4, 2006
Apple Filing Protocol Reference, May 23, 2006