@article{sminc_snowb08,
author = {C. Sminchisescu and C. Ionescu},
title = {{Hierarchical Spectral Latent Variable Models}},
journal = {Snowbird Learning},
year = {2008},
month = {April},
pdf = {http://sminchisescu.ins.uni-bonn.de/papers/hslvm-snowb.pdf 1}
}