Submitted on: 17 July 2011.
Revised on: 14 August 2011.
Accepted on: 15 September 2011.
___________________ASTRONOMISCHE NACHRICHTEN---WILEY-V C H VERLAG GMBH
Submitted on: 29 September 2019.
Revised on: 02 January 2020.
Accepted on: 27 January 2020.
___________________ASTRONOMISCHE NACHRICHTEN---WILEY-V C H VERLAG GMBH
Submitted on: 17 November 2020.
Revised on: 17 January 2021.
Accepted on: 09 February 2021.
___________________ASTRONOMISCHE NACHRICHTEN---WILEY-V C H VERLAG GMBH
Submitted on: 01 July 2010.
Revised on: 04 August 2010.
Accepted on: 28 September 2010.
___________________ASTRONOMISCHE NACHRICHTEN---WILEY-V C H VERLAG GMBH
Submitted on: 16 March 2019.
Revised on: 06 June 2019.
Accepted on: 27 June 2019.
___________________ASTRONOMISCHE NACHRICHTEN---WILEY-V C H VERLAG GMBH
Submitted on: 15 October 2000.
Revised on: 06 November 2000.
Accepted on: 04 December 2000.
___________________ASTRONOMISCHE NACHRICHTEN---WILEY-V C H VERLAG GMBH