@article{article98ec68a9,
title   = {Probing the anomalous extinction of four young star clusters: the use of colour-excess, main-sequence fitting and fractal analysis},
author = {Fernandes, B and Gregorio-Hetem, Jane and Hetem Jr., A},
year = {2012},
doi = {10.1051/0004-6361/201117677},
journal   = {Astronomy & Astrophysics}
}