Clearman, Brian2014-04-212014-04-212014978-0-918941-39-8https://hdl.handle.net/1794/17381124 pagesThis study focusses on the integrative character of T-M forms. It brings together the various modes and safety aids. Semiotics, Communication, Information provide a foundation and internal linkage. T-M indicators, messages, meanings form the larger part of the work.en-USAll Rights Reserved.Transportation-MarkingsBook