Hierarchical star formation in M33: properties of the star-forming regionsDOI: info:10.1007/s10509-009-0101-zv. 324Springer293–297
Bastian, Nate, Ercolano, Barbara, and Gieles, Mark. 2009. "Hierarchical star formation in M33: properties of the star-forming regions." Astrophysics and Space Science, 324 293–297. https://doi.org/10.1007/s10509-009-0101-z.