TY  - RPRT
TI  - An alternative to shade selection.
AU  - J S Shay
AU  - W T Buchanan
PY  - 1982
DO  - 10.1016/0022-3913(82)90168-8
UR  - https://pubmed.ncbi.nlm.nih.gov/6950096/
ID  - 6950096
ER  -