TY  - RPRT
TI  - Landmark methods for forms without landmarks: morphometrics of group differences in outline shape.
AU  - F L Bookstein
PY  - 1997
DO  - 10.1016/s1361-8415(97)85012-8
UR  - https://pubmed.ncbi.nlm.nih.gov/9873908/
ID  - 9873908
ER  -