Wallis, W.D. A beginner's guide to graph theory / by W.D. Wallis - 2nd ed. - New Delhi: Springer Pvt. Ltd., 2011. - xv, 260p. ISBN: 9788184898064 Subjects--Topical Terms: CommunicationLinear spaceMathVector space Dewey Class. No.: 511.5 / WAL/A