@misc{https://doi.org/10.3334/ornldaac/195, doi = {10.3334/ORNLDAAC/195}, url = {http://daac.ornl.gov/cgi-bin/dsviewer.pl?ds_id=195}, author = {HOPKINS, B.}, language = {en}, title = {NPP Grassland: Olokemeji, Nigeria, 1956-1964, R1}, publisher = {ORNL Distributed Active Archive Center}, year = {2014} }