00307nam a2200109Ia 450000500170000000800410001708200150005810000170007324500510009026000480014130000080018920260225051015.0260224s9999||||xx |||||||||||||| ||und||  a639.41 KOR  aP. Korringa  0aFarming marine organisms low in the food chain  aNew York: Elesevier Scientific Pub.Coc1976  a244