@article{10_1090_S0894_0347_02_00402_2,
     author = {Graber, Tom and Harris, Joe and Starr, Jason},
     title = {Families of rationally connected varieties},
     journal = {Journal of the American Mathematical Society},
     pages = {57--67},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {2003},
     doi = {10.1090/S0894-0347-02-00402-2},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-02-00402-2/}
}