Weichang Du, William W. Wadge. The Eductive Implementation of a Three-dimensional Spreadsheet. Software: Practice and Experience, 20(11):1097-1114, 1990.
@article{DuW90:0, title = {The Eductive Implementation of a Three-dimensional Spreadsheet}, author = {Weichang Du and William W. Wadge}, year = {1990}, researchr = {https://researchr.org/publication/DuW90%3A0}, cites = {0}, citedby = {0}, journal = {Software: Practice and Experience}, volume = {20}, number = {11}, pages = {1097-1114}, }