@misc{indiciae38a4d996f285, title = {Surveying.}, author = {J G Hanson and S Axinn and E N Kopp}, year = {1975}, doi = {10.14219/jada.archive.1975.0463}, url = {https://pubmed.ncbi.nlm.nih.gov/1099142/}, note = {Source identifier: 1099142} }