Issue No.05 - May (1979 vol.12)
Add-on memory. A 25-page application note, "How to Expand Your Computer Storage Capacity," describes systems and techniques for adding up to 512K x 20 of core or semiconductor memory. Contact Digital Data Systems, 1396 N. W. 65th Terrace Plantation, FL 33313; (305) 792-3290.
"New Literature", Computer, vol.12, no. 5, pp. 86, May 1979, doi:10.1109/MC.1979.1658753