1
by Oyarzún, Pedro J.; Gallegos, Patricio; Asaquibay, César; Forbes, Gregory; Ochoa L., José; Paucar, Betty; Prado, Marcelo; Revelo, Jorge; Sherwood, Stephen; Yumisaca, Fausto
Published in 2002
Repository
2
by Viteri D., Pablo; Vásquez C., Wilson; León F., Juan; Viera, William; Poso M., Manuel; Hinojosa, Milton; Revelo, Jorge; Ochoa L., José
Published in 2009
Repository