Principi, Gianfranco, Istituto di Geoscienze e Georisorse, CNR, Unit of Florence, Italy

• Ofioliti Vol. 31 No. 2 (2006) - Articles
  RADIOLARIAN BIOSTRATIGRAPHIC EVIDENCE FOR A LATE JURASSIC AGE OF THE EL TAMBOR GROUP OPHIOLITES (GUATEMALA)
  Abstract  PDF