Lori A. Russell-Chapin/ Theodore J. Chapin
(3)
Lori A. (Bradley University Russell-Chapin Illinois USA),Theodore J. (Chapin & Russell Associates Chapin Illinois USA)
(1)
Theodore W. Berger/ John K. Chapin/ Greg A. Gerhardt/ Dennis J. Mcfarland/ Jose C. Prinicipe
(1)