TY - BOOK AU - Chartrand,Gary AU - Lesniak,Linda TI - Graphs & digraphs SN - 1584883901 AV - QA166 C427G 2005 PY - 2005/// CY - Boca Raton, Fla. PB - Chapman & Hall/CRC KW - GRAPH THEORY N1 - Includes bibliographical references and index ER -