@misc{indiciae4f5e633c7945, title = {A two-dimensional graphing program for the Tektronix 4050-series graphics computers}, author = {K.L. Kipp}, year = {1983}, doi = {10.3133/wri834087}, url = {https://pubs.usgs.gov/publication/wri834087}, note = {Source identifier: wri834087} }