ATCA’s 21st Birthday.. Reprint of an AT&T 1978 article about ATCA – submitted by Chuck Eby & Wes Smith Version 1.0.0 Download 2 File Size 0.00 KB File Count 1 Create Date November 1, 1992 Last Updated November 1, 1992 Download FileActionATCA's 21st Birthday.. Reprint of an AT&T 1978 article about ATCA - submitted by Chuck Eby & Wes SmithDownload