Published in Revista De La Academia Canaria De Ciencias, in 1998, in volume 10, issue 4, pages 9-19
Published in Revista De La Academia Canaria De Ciencias, in 1998, in volume 10, issue 4, pages 21-27
Published in Revista De La Academia Canaria De Ciencias, in 1998, in volume 10, issue 4, pages 29-39
Published in Revista de la Academia Canaria de Ciencias, in 1998, in volume 10, issue 4, pages 41-64
Published in Revista De La Academia Canaria De Ciencias, in 1998, in volume 10, issue 4, pages 65-78
Published in Revista De La Academia Canaria De Ciencias, in 1998, in volume 10, issue 4, pages 79-83
Published in Revista De La Academia Canaria De Ciencias, in 1998, in volume 10, issue 4, pages 85-96
Published in Revista De La Academia Canaria De Ciencias, in 1998, in volume 10, issue 4, pages 97-99
Published in Revista De La Academia Canaria De Ciencias, in 1998, in volume 10, issue 4, pages 101-107
Published in Revista de la Academia Canaria de Ciencias, in 1998, in volume 10, issue 4, pages 109-114
Published in Revista De La Academia Canaria De Ciencias, in 1998, in volume 10, issue 4, pages 115-120
Published in Revista De La Academia Canaria De Ciencias, in 1998, in volume 10, issue 4, pages 127-191
Published in Revista de la Academia Canaria de Ciencias, in 1998, in volume 10, issue 4, pages 193-199