%0 Journal Article
%T Late retirement, early careers, and the aging of U.S. science and engineering professors
%A Navid Ghaffarzadegan
%A Ran Xu
%J Archive of "PLoS ONE".
%D 2018
%R 10.1371/journal.pone.0208411
%U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6306255/