@article{hawks_terry_collins_1973, title={Effects of potassium and magnesium at three rates on yield and price of flue-cured tobacco}, volume={175}, number={11}, journal={Tobacco International}, author={Hawks, S. N., Jr. and Terry, D. L. and Collins, W. K.}, year={1973}, pages={55} }
 @article{hawks_collins_kittrell_1973, title={Effects of simulated hail damage on yield and value of flue-cured tobacco}, volume={175}, number={1}, journal={Tobacco International}, author={Hawks, S. N., Jr. and Collins, W. K. and Kittrell, B. U.}, year={1973}, pages={32} }