Merrett, T. H. ; N. Laliberte, B. Gunnlaugason. M. Tsakalis. and A. Chong, ?Relix-First steps to an operating language,? School Comout. Sci.. McGill Univ.. Tech. Ren. TR-SOCS-88.1. Jan. 1988

Languages mentioned

• Aldat {1989} Database language, based on extended algebra
• Relix {1984} Implementation of first stage of Aldat