1 Dec 2000 / Invited Review at the Euroconference on "Stellar Clusters and Associations", ASP Conference Series, Vol. 198, T. Montmerle and P. Andre', eds
11 Nov 2003 / "Star Formation in the Interstellar Medium, a workshop in honor of David Hollenbach, Chris McKee, and Frank Shu", eds. F.C. Adams, D. Johnstone, D.N.C. Lin, & E.C. Ostriker (ASP Conference Series, 2004)