@TECHREPORT{boronat-meseguer-mof-techreport,
       AUTHOR = {Artur Boronat and Jos\'{e} Meseguer},
       TITLE = {Algebraic Semantics of {EMOF/OCL} Metamodels},
       INSTITUTION = {CS Dept., University of Illinois at Urbana-Champaign},
       NUMBER = {UIUCDCS-R-2007-2904},
       MONTH = {October},
       YEAR = {2007}
}