Morton I. Bernstein. Computer input/output of two-dimensional notations. In Stanley R. Petrick, Jean E. Sammet, Robert G. Tobey, Joel Moses, editors, Proceedings of the second ACM symposium on Symbolic and algebraic manipulation, SYMSAC 1971, Los Angeles, California, USA, March 23-25, 1971. pages 102-103, ACM, 1971. [doi]
Abstract is missing.