1. Beard, J.B. Turfgrass: Science and Culture. 1973. Prentice-Hall, Inc., Engle-wood Cliffs, N. J. pp. 71–78.
2. Dahl, A.S. 1934. The relation between rainfall and injuries to turf-season 1933. Greenskeepers' Reporter 2(2): 1–4.
3. Cheesman, J.H. and Roberts, E.C. 1964. Effect of nitrogen level and moisture stress on Helminthosporium infection in Merion bluegrass. 1964 Agronomy Abstracts: 105.
4. Jefferson, R.N. and Morishita, J.S. 1962. Progress report on the bermuda grass mite and the fruit fly. California Turfgrass Culture 12(2): 9–10.
5. Callus Induction, Maintenance and Plantlet Regeneration in Creeping Bentgrass
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