Published in Richardiana, in 2012, in volume 12, issue 4, pages 153-157

Created: 2018-11-04, modified: 2023-02-16

Published in Richardiana, in 2016, in volume 16, pages 327-342

Created: 2018-09-30, modified: 2023-02-16

Published in Richardiana, in 2012, in volume 13, pages 65-70

Created: 2018-10-28, modified: 2023-02-16