Jeremy Gibbons. Upwards and Downwards Accumulations on Trees. In Richard S. Bird, Carroll Morgan, Jim Woodcock, editors, Mathematics of Program Construction, Second International Conference, Oxford, U.K., June 29 - July 3, 1992, Proceedings. Volume 669 of Lecture Notes in Computer Science, pages 122-138, Springer, 1992.
@inproceedings{Gibbons92, title = {Upwards and Downwards Accumulations on Trees}, author = {Jeremy Gibbons}, year = {1992}, researchr = {https://researchr.org/publication/Gibbons92}, cites = {0}, citedby = {0}, pages = {122-138}, booktitle = {Mathematics of Program Construction, Second International Conference, Oxford, U.K., June 29 - July 3, 1992, Proceedings}, editor = {Richard S. Bird and Carroll Morgan and Jim Woodcock}, volume = {669}, series = {Lecture Notes in Computer Science}, publisher = {Springer}, isbn = {3-540-56625-2}, }