appearance of what is perhaps his most enduring image: the 'soft watch'. Dalis Sculpture Editions. [October 22, 2019]. (原始内容存档于2011-07-08). The Persistence
November 2018). Putnam, B. The Sculptor's Way: A Guide to Modelling and Sculpture. Dover Publications. 2003 [2022-10-11]. ISBN 978-0-486-42313-5. (原始内容存档于2022-10-16)
hand-to-hand combat theory, including the integration of notions of "hard" and "soft" techniques, is expounded in the story of the Maiden of Yue in the Spring