*Vertices 4
1 "CrBiol" 0.0 0.0 0.0 x_fact 0.699744 y_fact 0.794803
2 "Nature" 0.0 0.0 0.0 x_fact 9.846584 y_fact 20.289932
3 "PNatlAcadSciUsa" 0.0 0.0 0.0 x_fact 34.699374 y_fact 61.775501
4 "Science" 0.0 0.0 0.0 x_fact 8.209448 y_fact 17.139764
*Matrix 
0.000000 0.895028 0.961332 0.843103 
0.895028 0.000000 0.844247 0.890996 
0.961332 0.844247 0.000000 0.811019 
0.843103 0.890996 0.811019 0.000000