P. Lof, Elsevier's invertebrate fossils chart , Elsevier, Amsterdam (1985) Dfl. 235.00 (US $92.00) per 10 copies, Dfl. 375.00 (US $147.00) per 20 copies, Dfl. 850.00 (US $333.00) per 50 copies, Dfl. 1525.00 (US $598.00) per 100 copies. (ISBN 0-444-42478-4, 0-444-42538-1, 0-444-42539-X, 0-444-42540-3, respectively). |