Submitted on: 07 October 2011.
Revised on: 25 January 2012.
Accepted on: 08 February 2012.
___________________JOURNAL OF THE AMERICAN INSTITUTE FOR CONSERVATION
Submitted on: 09 September 2019.
Revised on: 07 December 2019.
Accepted on: 29 January 2020.
___________________JOURNAL OF THE AMERICAN INSTITUTE FOR CONSERVATION
http://reply.papertrans.cn/2/196/19590/19590-33.png
Submitted on: 12 January 2014.
Revised on: 09 May 2014.
Accepted on: 08 July 2014.
___________________JOURNAL OF THE AMERICAN INSTITUTE FOR CONSERVATION
http://reply.papertrans.cn/2/196/19590/19590-35.png
http://reply.papertrans.cn/2/196/19590/19590-36.png