TY  - RPRT
TI  - Variation in calculated effective source-surface distances with depth.
AU  - P M Ostwald
AU  - T Kron
PY  - 1996
DO  - 10.1088/0031-9155/41/10/015
UR  - https://pubmed.ncbi.nlm.nih.gov/8912381/
ID  - 8912381
ER  -