@techreport{WunschelFaucherSpitzVilk2010, author = "Wunschel, Jennifer L and Faucher, Joshua P and Spitz, Daniel and Vilk, John W" title = "Physics Lab Toolbox - Collisions Lab" school = "Worcester Polytechnic Institute" %address = "100 Institute Road, Worcester MA 01609-2280 USA" year = "2010" %month = "March" }