@article{EXMA_2006__15_2_228525, author = {Costantino, Francesco}, title = {Complexity of 4-manifolds.}, journal = {Experimental mathematics}, pages = {237--249}, publisher = {mathdoc}, volume = {15}, number = {2}, year = {2006}, zbl = {1117.57020}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EXMA_2006__15_2_228525/} }