Reihe Technology, Innovation and PolicyKatrin Ostertag × No-regret Potentials in Energy ConservationAn Analysis of Their Relevance, Size and DeterminantsKatrin OstertagPhysicaeBook2012 No-regret Potentials in Energy ConservationAn Analysis of Their Relevance, Size and DeterminantsKatrin OstertagPhysicaSoftcover2002