Mitchell, R.G. (Richard Glen); Steenkamp, Emma Theodora; Coutinho, Teresa A.; Wingfield, Michael J.(Southern African Institute of Forestry (SAIF), 2011)
Mehl, James William Montague; Geldenhuys, C.J. (Coert Johannes); Roux, Jolanda; Wingfield, Michael J.(Southern African Institute of Forestry (SAIF), 2010-12)