Schmincke, H. U.; von Rad, U. (1979): Neogene evolution of Canary Island volcanism inferred from ash layers and volcaniclastic sandstones of DSDP Site 397 (Leg 47A). Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: von Rad, U. (editor), Ryan, W. B. F. (editor), Arthur, M. A. (editor), Cepek, P. (editor), Cita, M. B. (editor), Cornford, C. (editor), Garifal, L. (editor), Hamilton, N. (editor), Lopatin, B. (editor), Lutze, G. F. (editor), McCoy, F. W. (editor), Mountain, G. (editor), Sarnthein, M. (editor), Weser, O. E. (editor), Whelan, J. K. (editor), Wind, F. H. (editor), Laughter, F. H. (editor), Fagerberg, E. M. (editor), Leg 47, Part 1 of the cruises of the drilling vessel Glomar Challenger; Las Palmas, Canary Islands to Vigo, Spain, March-April, 1976, 47, Part 1, 703-725, georefid:1980-054313