A M.Sc. thesis that has used and explained such data for several GRIDs and statistical analysis in the study area was completed by Nemitz (2008; available from the author online as PDF). Nemitz D. (2008). AN ASSESSMENT OF SAMPLING DETECTABILITY FOR GLOBAL BIODIVERSITY MONITORING: RESULTS FROM SAMPLING GRIDS IN DIFFERENT CLIMATIC REGIONS. Masters in International Conservation, Georg August University and MINC program, Lincoln New Zealand and Goettingen, Germany. All raw data files of this study are freely available from the author upon request also.