category c1 Refereed Journal Article HERDC/ERA 2008/2009 pt.18/9/10. Not checked in Sherpa. SS 22/09/11 "Copyright2008 S. S. Dragomir. This is an open access article distributed under the CreativeCommons Attribution License, which permits unrestricted use, distribution, and reproduction inany medium, provided the original work is properly cited." --from p. 1 of pdf. File added, LL 19/10/2020. -- Generic Permission Form added to Dark Archive 05.11.20-MMM.