21
Published in 2008
Repository
22
by Viteri D., Pablo; León F., Juan; Vásquez C., Wilson; Encalada, Claudio; Martínez, Aníbal; Revelo, Jorge; Posso, Manuel; Hinojosa, Milton
Published in 2010
Repository
23
Published in 2008
Repository
24
25
Published in 1981
Repository
26
Published in 1981
Repository
27
Published in 1992
Repository
28
Published in 2004
Repository
29
Published in 1986
Repository
30
31
Published in 1981
Repository
32
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
33
by Revelo, Jorge; Viteri D., Pablo; Vásquez C., Wilson; Valverde, Franklin; León F., Juan; Gallegos, Patricio
Published in 2010
Repository