TY - BOOK AU - Burstall F E AU - Ferus D AU - Leschke K AU - Pedit F AU - Pinkall U TI - Conformal geometry of surfaces in S to the power 4 and quaternions SN - 3-540-43008-3 U1 - 512.55 PY - 2002/// CY - Berlin PB - Springer-Verlag KW - Quarternionic-valued function theory KW - Spinor representations ER -