Published in Revista de la Academia Canaria de Ciencias, in 2002, in volume 13, issue 4, pages 117-121

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 9-15

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 19-35

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 37-52

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 53-62

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 63-81

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 83-98

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 99-118

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 119-138

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 139-152

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 153-164

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 181-188

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 189-192

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 193-200

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 201-212

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 213-217

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 219-225

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 227-233

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 235-240

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 241-247

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 247-252

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 253-261

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 263-269

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 271-276

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 277-294

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 295-303

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 305-309

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 311

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 337-340

Published in Revista De La Academia Canaria De Ciencias, in 2002, in volume 14, issue 3, pages 341-345