What makes a journal international? A case study using conservation biology journals. - Michael C. Calver; Grant Wardell-Johnson; J. Stuart Bradley; Ross H. Taplin (Scientometrics, 2010)

Testing the discrimination and detection limits of WorldView-2 imagery on a challenging invasive plant target. - Todd P. Robinson; Grant Wardell-Johnson; Gabriella Pracilio; Chris Brown; Robert Corner; Rieks D. van Klinken (Int. J. Appl. Earth Obs. Geoinformation, 2016)

Quantifying the internationality and multidisciplinarity of authors and journals using ecological statistics. - Michael C. Calver; Kate Bryant; Grant Wardell-Johnson (Scientometrics, 2018)