@INPROCEEDINGS {VAN DER MEER:2002, title = {GPS-based transect walks for quantifying Imperata cylindrica in East Nigeria}, author = {Van der Meer, F. and Nielsen, O. and Omitogun, A. and Alabi, T. R. }, booktitle = {Paper presented}, year = {2002}, location = {Abuja, Nigeria}, note = {fourth International Conference of African Association of Remote Sensing of the Environment (AARSE) on Geoinformation for Sustainable Development in Africa, 14-18 October}, }