TY  - RPRT
TI  - Three-dimensional nonlinear invisible boundary detection.
AU  - Maria Petrou
AU  - Vassili A Kovalev
AU  - Jürgen R Reichenbach
PY  - 2006
DO  - 10.1109/tip.2006.877516
UR  - https://pubmed.ncbi.nlm.nih.gov/17022267/
ID  - 17022267
ER  -