TY  - RPRT
TI  - Springer's lines and Hermann's grid.
AU  - D Laming
PY  - 1992
DO  - 10.1111/j.1475-1313.1992.tb00286.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1408169/
ID  - 1408169
ER  -