@article{MAN_1989__284_4_164565,
     author = {Michael T. Anderson and Lucio Rodriguez},
     title = {Minimal surfaces and 3-manifolds of non-negative {Ricci} curvature.},
     journal = {Mathematische Annalen},
     pages = {461--476},
     publisher = {mathdoc},
     volume = {284},
     number = {4},
     year = {1989},
     zbl = {0653.53024},
     url = {http://geodesic.mathdoc.fr/item/MAN_1989__284_4_164565/}
}