讲述了建模书写文档的规范，UML。尤其对描述类图，流程图有着借鉴作用。-the UML-unified modeling language, describes the documenting format.It is especially effective for drawing the class diagram and flow graph.

UML Distilled - A Brief Guide to the Standard Object Modeling Language, 3rd edition, book, by Martin Fowler, publisher Addison Wesley, year 2003.chm