@Article{LIS21,
title = {Localizing Overlapping Parts by Searching the Interpretation Tree},
author = {Grimson, W.E.L. and Lozano-Perez, T.},
year = {1987},
url = {http://lis.csail.mit.edu/pubs/tlp/interpretation_tree.pdf},
journal = {PAMI},
volume = {9},
number = {4},
pages = {469-482},
month = {July},
}