Submitted on: 04 January 2020.
Revised on: 26 January 2020.
Accepted on: 21 February 2020.
Symbolae Osloenses---TAYLOR & FRANCIS LTD
http://reply.papertrans.cn/3/291/29096/29096-32.png
Submitted on: 29 June 2012.
Revised on: 08 July 2012.
Accepted on: 03 August 2012.
Symbolae Osloenses
Submitted on: 11 March 1999.
Revised on: 16 April 1999.
Accepted on: 27 April 1999.
Symbolae Osloenses---TAYLOR & FRANCIS LTD
Submitted on: 08 April 2017.
Revised on: 01 May 2017.
Accepted on: 13 May 2017.
Symbolae Osloenses
http://reply.papertrans.cn/3/291/29096/29096-36.png