@article{GT_1997_1_1_a5,
     author = {Taylor, Laurence R},
     title = {An invariant of smooth 4{\textendash}manifolds},
     journal = {Geometry & topology},
     pages = {71--89},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1997},
     doi = {10.2140/gt.1997.1.71},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.1997.1.71/}
}