“…For example, for elections see Lott (1957), Taylor (1960), Borricaud (1964), Gil and Parrish (1965), Martz (1967), Soares (1967), Parrish et al (1967, Schmitt (1969), Lopez Pintor ( ), McDonald (1971( , 1972a( , 1972b, Sinding (1972), Harkness and Pinzon de Lewin (1 LJ75), Isuani and Cervini (1 LJ75), Prothro and Chaparro (1 LJ75), and Valenzuela (I LJ77). For political parties see: Taylor (1 LJ:14) , Fitzgibbon CI 957), Alexander (1964, 1LJ69), Martz (1964Martz ( ,1972, Tugwell (1965), Horowitz (1965), Williams (1967), Ranis (1968), Burnett CI 970), Petras (1970), Davies (1971), Mabry (1 <,)73), Ciria (1 <,)74), Chalmers (1974-7:1), North (1975), and Wellhofer CI 97:1).…”