@misc{indiciae1328497a7f72, title = {The development and implementation of a computer-based graphic system.}, author = {M G Levine and L P Michelson and D Ritacco and P J Christ}, year = {1981}, doi = {10.3109/17453058109161869}, url = {https://pubmed.ncbi.nlm.nih.gov/7328265/}, note = {Source identifier: 7328265} }