Sandra L. Mitchell. Another characterization of the centroid of a tree. Discrete Mathematics, 24(3):277-280, 1978. [doi]
@article{Mitchell78,
title = {Another characterization of the centroid of a tree},
author = {Sandra L. Mitchell},
year = {1978},
doi = {10.1016/0012-365X(78)90098-5},
url = {http://dx.doi.org/10.1016/0012-365X(78)90098-5},
researchr = {https://researchr.org/publication/Mitchell78},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {24},
number = {3},
pages = {277-280},
}