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1by Huchzermeyer,Fritz W., Groenewald,Herman B., Myburgh,Jan G., Steyl,Johan C.A., Crole,Martina R.
Published 2013Digital revistaSCIELO -
2by Myburgh,Jan G., Huchzermeyer,Fritz W., Soley,John T., Booyse,Dirk G., Groenewald,Herman B., Bekker,C., Iguchi,Taisen, Guillette,Louis J.
Published 2012Digital revistaSCIELO -
3by Myburgh,Jan G., Kirberger,Robert M., Steyl,Johan C.A., Soley,John T., Booyse,Dirk G., Huchzermeyer,Fritz W., Lowers,Russell H., Guillette Jr,Louis J.
Published 2014Digital revistaSCIELO