por Ng, C. Y. (Cheuk-Yiu), 1947- [editor] | Baer, Tomas [editor] | Powis, Ivan [editor].
por Powis, Ivan [editor] | Baer, Tomas [editor] | Ng, C. Y. (Cheuk-Yiu), 1947- [editor].
por Baer, Tomas [autor] | Hase, William L [autor] | University of Oxford.