In the paper ``Homophily and Long-Run Integration in Social Networks,''
we examined APS citations data. You must apply to the APS to access the data. You can find
details at https://publish.aps.org/datasets
The code for analyzing the data is here: Matlab-codes.zip. The order in which to run the codes is (1) getpapers, (2) getcitations and (3) checkcitations.