2Wilby, Philip Wilby. " Lutoslawski and a View of Musical Perspective. " Companion to Contemporary Musical Thought [ M ]. London: Routledge, 1992. vol Ⅱ. 1992.
3Varga, Balint Andras Varga. Lutoslawski Profile: Witold Lutoslawski in Conversation with Balint Andras Varga [M]. London: J & W Chester, 1976.
4Yao Heng-Lu(姚恒璐). Various approaches to structural design in my compositions [N](博士论文).,1994.
