*Vertices 4
1 "JArchaeolSci" 0.0 0.0 0.0 x_fact 1.636070 y_fact 5.207773
2 "Nature" 0.0 0.0 0.0 x_fact 17.704893 y_fact 48.920808
3 "SAfrJSci" 0.0 0.0 0.0 x_fact 1.536216 y_fact 2.711422
4 "Science" 0.0 0.0 0.0 x_fact 17.052001 y_fact 43.159997
*Matrix 
0.000000 0.288480 0.372006 0.288031 
0.288480 0.000000 0.594178 0.885616 
0.372006 0.594178 0.000000 0.555463 
0.288031 0.885616 0.555463 0.000000