Published in Scopus, in 2007, in volume 26, pages 42-44

Created: 2014-08-10, modified: 2014-08-10

Published in Forktail, in 2009, in volume 25, pages 130-136

Created: 2019-05-12, modified: 2019-05-12

Published in Forktail, in 2009, in volume 25, pages 155-158

Created: 2019-05-12, modified: 2019-05-12