TY  - RPRT
TI  - The "crescentic" ellipse: a note on technique.
AU  - M N Saad
PY  - 1982
DO  - 10.1016/s0007-1226(82)90135-7
UR  - https://pubmed.ncbi.nlm.nih.gov/7150865/
ID  - 7150865
ER  -