Douglas W. Clark. A Fast Algorithm for Copying Binary Trees. Inf. Process. Lett., 4(3):62-63, 1975.
@article{Clark75, title = {A Fast Algorithm for Copying Binary Trees}, author = {Douglas W. Clark}, year = {1975}, researchr = {https://researchr.org/publication/Clark75}, cites = {0}, citedby = {0}, journal = {Inf. Process. Lett.}, volume = {4}, number = {3}, pages = {62-63}, }