TY  - RPRT
TI  - FORTRAN programs to calculate differential stress concentration factors around two-dimensional circular and elliptical inclusions in an edge-loaded plate
AU  - David L. Campbell
PY  - 1977
DO  - 10.3133/ofr77459
UR  - https://pubs.usgs.gov/publication/ofr77459
ID  - ofr77459
ER  -