00257nam a2200109Ia 4500008004100000041001200041082001100053100002400064245004700088260000600135650000600141221030s9999    xx            000 0 und d  aEnglish  a105.23  aK. R. Parthasarathy 0aBasic Graph Theorycby K. R. Parthasarathy  c0  aB