by Kasimanickam, Vanmathy R., Staker, Chase, Williams, Hallie M., Kastelic, John P., Kasimanickam, Ramanathan K.
Published in Theriogenology (01.11.2018)

by Mansager, Erik, McDonald, Beth, Williams, Hallie M
Published in The journal of individual psychology (1998) (01.06.2015)

by Williams, Hallie M
Published in Futurics (01.01.2006)