Published in Boletin Soc Biol Concepcion, in 1977, in volume 51, pages 269-275

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

Published in Boletin de la Sociedad de Biología de Concepción, in 1977, in volume 51, issue 1, pages 305-310

Created: 2013-07-14, modified: 2018-10-31