1. Effects of ice, snow and water covers on Kentucky bluegrass, annual bluegrass and creeping bentgrass;Beard;Crop Sci.,1964
2. Beard, J. B. (1969) Environmental stresses of turfgrasses—cause and prevention. Proc. RCGA Nat. Turfgrass Conf., 20th pp. 7–10.
3. Seasonal variations in the growth and chemical composition of certain pasture grasses;Brown;Mo., Agr. Exp. Sta., Res. Bull.,1943
4. Carolus, R. L. (1967) Principles of air-conditioning fruit crops with irrigation. 94th Annu. Meet. Mich. State Hort. Soc. Proc.
5. Turfgrass management in the United States;Daniel;Advan. Agron.,1966