1. El vanadio en el Peru;Aguije;Mineria (Organo del Instituto de Ingenieros des Minas del Peru),1954
2. Studies of chemical forms of trace elements in sea water using radiotracers;Amdurer,1983
3. The Scandinavian Alum Shales;Andersson;Nor. Geol. Unders.,1985
4. Water budget and water-surface fluctuations of Great Salt Lake;Arnow,1980
5. Porphyrins in the Geological record;Baker,1986