Published in Muelleria, in 1981, in volume 4, issue 4, pages 299-303

Published in Muelleria, in 1981, in volume 4, issue 4, pages 305-316

Published in Muelleria, in 1981, in volume 4, issue 4, pages 317-331

Published in Muelleria, in 1981, in volume 4, issue 4, pages 333-384

Published in Muelleria, in 1981, in volume 4, issue 4, pages 385-387

Published in Muelleria, in 1981, in volume 4, issue 4, pages 389-394

Published in Muelleria, in 1981, in volume 4, issue 4, pages 395-418

Published in Muelleria, in 1981, in volume 4, issue 4, pages 419-422

Published in Muelleria, in 1981, in volume 4, issue 4, pages 423-427

Published in Muelleria, in 1981, in volume 4, issue 4, pages 429-438

Published in Muelleria, in 1981, in volume 4, issue 4, pages 439

Published in Muelleria, in 1981, in volume 4, issue 4, pages 440