Submitted on: 12 June 2016.
Revised on: 21 July 2016.
Accepted on: 18 August 2016.
PROCEEDINGS OF THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA
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Submitted on: 15 December 2003.
Revised on: 13 January 2004.
Accepted on: 04 February 2004.
PROCEEDINGS OF THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA
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Submitted on: 30 March 2017.
Revised on: 10 April 2017.
Accepted on: 04 May 2017.
PROCEEDINGS OF THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA
Submitted on: 29 September 2012.
Revised on: 08 October 2012.
Accepted on: 31 October 2012.
PROCEEDINGS OF THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA
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