Published in Boln Soc Biol Concepcion, in 1971, in volume 42, pages 41-48

Created: 2012-09-14, modified: 2012-09-14

Published in Boletin Soc Biol Concepcion, in 1971, in volume 42, pages 49-53

Created: 2013-07-14, modified: 2013-07-14

Published in Boletin Soc Biol Concepcion, in 1971, in volume 42, pages 55-57

Created: 2013-07-14, modified: 2013-07-14

Published in Boln Soc Biol Concepcion, in 1971, in volume 42, pages 67-70

Created: 2012-09-14, modified: 2012-09-14

Published in Boln Soc Biol Concepcion, in 1971, in volume 42, pages 97-122

Created: 2012-09-14, modified: 2012-09-14

Published in Boln Soc Biol Concepcion, in 1971, in volume 42, pages 381-395

Created: 2012-09-14, modified: 2012-09-14