Published in Alytes, in 1989, in volume 8, issue 2, pages 25-40

Published in Alytes, in 1989, in volume 8, issue 2, pages 51-60

Published in Alytes, in 1989, in volume 8, issue 1, pages 3-10

Published in Alytes, in 1989, in volume 8, issue 1, pages 11-16

Published in Alytes, in 1989, in volume 8, issue 1, pages 17-21

Published in Alytes, in 1989, in volume 8, issue 1, pages 22

Published in Alytes, in 1989, in volume 8, issue 1, pages 1-2

Published in Alytes, in 1989, in volume 8, issue 2, pages 41-50