@article {34, editor = {,}, title = {Abstract}, volume = {3}, number = {2}, pages = {34--34}, year = {1977}, doi = {10.48044/joa.1977.3.2.34}, publisher = {Arboriculture \& Urban Forestry (AUF)}, issn = {1935-5297}, URL = {https://auf.isa-arbor.com/content/3/2/34}, eprint = {https://auf.isa-arbor.com/content/3/2/34.full.pdf}, journal = {Arboriculture \& Urban Forestry (AUF)} }