@techreport{HumpolaFuegenschuhLehmann2013, author = {Jesco Humpola and Armin F{\"u}genschuh and Thomas Lehmann}, title = {A Primal Heuristic for MINLP based on Dual Information}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {13-49}, language = {eng}, year = {2013} }