TY - BOOK AU - von Seggern,David TI - CRC Handbook mathematical curves and surfaces SN - 0849301963 PY - 1993/// CY - Boca Raton, Fla. PB - CRC Press KW - Curves on surfaces KW - Handbooks, manuals, etc N1 - Updated ed. of: CRC handbook of mathematical curves and surfaces, 1990 ER -