Mass segregation in young Magellanic Cloud star clusters: Four clusters observed with HSTD. Gouliermis, S. C. Keller, M. Kontizas, E. Kontizas and I. Bellas-VelidisA&A, 416 1 (2004) 137-155DOI: https://doi.org/10.1051/0004-6361:20031702