@article{RO_1972__6_2_49_0,
     author = {Graves, G. and Pingry, D. and Whinston, A.},
     title = {Water quality control : nonlinear programming algorithm},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {49--78},
     publisher = {EDP-Sciences},
     volume = {6},
     number = {V2},
     year = {1972},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RO_1972__6_2_49_0/}
}