Hess, KathrynLevi, Ran2008-11-142008-11-142008-11-14200710.2140/agt.2007.7.1699https://infoscience.epfl.ch/handle/20.500.14299/30925WOS:00025394680006712531double loop spacehomotopy fibercobarconstructionAdams-Hilton modelstrongly homotopycoalgebraoperadco-ringAn algebraic model for the loop space homology of a homotopy fibertext::journal::journal article::research article