1
Published in 1981
Repository
2
3
Published in 1999
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5
6
7
Published in 1981
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8
9
Published in 2004
Repository
10
by Viteri D., Pablo; León F., Juan; Vásquez C., Wilson; Encalada, Claudio; Martínez, Aníbal; Revelo, Jorge; Posso, Manuel; Hinojosa, Milton
Published in 2010
Repository
11
Published in 1999
Repository
12
Published in 1981
Repository
13
Published in 2004
Repository
14
Published in 1992
Repository
15
Published in 2007
Repository
16
17
Published in 1981
Repository
18
Published in 2004
Repository
19
Published in 2004
Repository
20
Published in 1981
Repository