http://reply.papertrans.cn/3/221/22095/22095-31.png
http://reply.papertrans.cn/3/221/22095/22095-32.png
http://reply.papertrans.cn/3/221/22095/22095-33.png
http://reply.papertrans.cn/3/221/22095/22095-34.png
Submitted on: 13 January 2018.
Revised on: 21 January 2018.
Accepted on: 04 February 2018.
MISSISSIPPI QUARTERLY---JOHNS HOPKINS UNIV PRESS
Submitted on: 14 July 2022.
Revised on: 15 August 2022.
Accepted on: 28 August 2022.
MISSISSIPPI QUARTERLY