@article{roberts_murphy_2014, title={Anthracnose disease on annual bluegrass as affected by foot traffic and sand topdressing}, volume={98}, number={10}, journal={Plant Disease}, author={Roberts, J. A. and Murphy, J. A.}, year={2014}, pages={1321–1325} }
 @article{roberts_murphy_clarke_2012, title={Lightweight rolling effects on anthracnose of annual bluegrass putting greens}, volume={104}, number={4}, journal={Agronomy Journal}, author={Roberts, J. A. and Murphy, J. A. and Clarke, B. B.}, year={2012}, pages={1176–1181} }
 @article{roberts_inguagiato_clarke_murphy_2011, title={Irrigation quantity effects on anthracnose disease of annual bluegrass}, volume={51}, number={3}, journal={Crop Science}, author={Roberts, J. A. and Inguagiato, J. C. and Clarke, B. B. and Murphy, J. A.}, year={2011}, pages={1244–1252} }