@misc{indiciae48bbf9cf7f53, title = {Variation in calculated effective source-surface distances with depth.}, author = {P M Ostwald and T Kron}, year = {1996}, doi = {10.1088/0031-9155/41/10/015}, url = {https://pubmed.ncbi.nlm.nih.gov/8912381/}, note = {Source identifier: 8912381} }