*Vertices 4
1 "HistPhilosLogic" 0.0 0.0 0.0 x_fact 6.598985 y_fact 13.197970
2 "JLogicComput" 0.0 0.0 0.0 x_fact 4.060914 y_fact 21.319797
3 "MathLogicQuart" 0.0 0.0 0.0 x_fact 4.060914 y_fact 25.888325
4 "Synthese" 0.0 0.0 0.0 x_fact 4.060914 y_fact 39.593909
*Matrix 
0.000000 0.323468 0.000000 0.506622 
0.323468 0.000000 0.256334 0.000000 
0.000000 0.256334 0.000000 0.000000 
0.506622 0.000000 0.000000 0.000000