@techreport{BertholdHeinzSchulz2011, author = {Timo Berthold and Stefan Heinz and Jens Schulz}, title = {An approximative Criterion for the Potential of Energetic Reasoning}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {11-12}, language = {eng}, year = {2011} }