Donald W. Loveland, Mark E. Stickel. A Hole in Goal Trees: Some Guidance from Resolution Theory. IEEE Transactions on Computers, 25(4):335-341, 1976.
@article{LovelandS76, title = {A Hole in Goal Trees: Some Guidance from Resolution Theory}, author = {Donald W. Loveland and Mark E. Stickel}, year = {1976}, tags = {e-science}, researchr = {https://researchr.org/publication/LovelandS76}, cites = {0}, citedby = {0}, journal = {IEEE Transactions on Computers}, volume = {25}, number = {4}, pages = {335-341}, }