By Berl, Ernst.
Barcelona : Labor, 1961 .
882 p. : 24 cm.

By Rumbold, W. G..
London : J.Murray, 1923 .
81 p. : 21 cm.

By Bastow, B. D..
New York : Plenum Press, 1975 .
57 p. : 23 cm.

By Fernandez Ladreda, José M..
Oviedo : Univ.de Oviedo, .
8 p. ; 21,5 cm.

By Chomnales, R..
Jujuy : IDGYM, 1967 .
59 h. :

By Giordana, C. A..
Jujuy : IDGYM, 1970 .
5 h.

By Chomnales, R..
, Relevamiento: 1960.

By Lurgo Mayon, C. S..
, Relevamiento: 1999.