Print began with no. 1 (Oct. 1966); ceased with no. 21 (Feb. 1977).
Use copy Restrictions unspecified star MiAaHDL
Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002. http://purl.oclc.org/DLF/benchrepro0212 MiAaHDL
digitized 2010 HathiTrust Digital Library committed to preserve pda MiAaHDL
Description based on no. 5 (June 1969); title from PDF caption (ACM Digital Library, viewed Aug. 9, 2011).