@In Proceedings?{socher2008,
Author = {Richard Socher and Adrian Barbu and Dorin Comaniciu},
Title = {A Learning Based Hierarchical Model for Vessel Segmentation},
booktitle = {IEEE International Symposium on Biomedical Imaging: From Nano to Macro (ISBI'08)},
publisher = {IEEE},
address = {Paris, France},
month = {May},
year = {2008},
note = {\url{www.socher.org}}
}