@article{Freeman1988,
author = {Freeman, L.C. and Freeman, S.C. and Michaelson, A.G.},
title= {On human social intelligence},
year = {1988},
doi = {10.1016/0140-1750(88)90080-2},
journal = {Journal of Social Biological Structures},
volume = {11},
number = {4},
pages = {415--425},
}