@article {18, editor = {,}, title = {Abstracts}, volume = {7}, number = {1}, pages = {18--18}, year = {1981}, doi = {10.48044/joa.1981.7.1.18}, publisher = {Arboriculture \& Urban Forestry (AUF)}, issn = {1935-5297}, URL = {https://auf.isa-arbor.com/content/7/1/18}, eprint = {https://auf.isa-arbor.com/content/7/1/18.full.pdf}, journal = {Arboriculture \& Urban Forestry (AUF)} }