Awady, M.N.; E.Y. Ghoniem and A.I. Hashish (1982). A critical comparison between wheat combine harvesters under Egyptian conditions. Res. Bul. 1920, Fac. of Agric. Ain Shams Univ.: 13p.
Dobie, J.B.; G.E. Miller and R.H. Mosley (1984). Ground level harvest of rice straw. Trans. of the ASAE, 27(5): 1263-1269.
Esquivel, M.; S. Marrero; E. Ponce; A. Guerrero; T. Stainlay; J. Villaruz; A.W. Wood and L.P. Bella (2008). Evaluation of the automatic base-cutter control system in the Australian sugar cane industry. Australian Society of Sugar cane Technologists, 29 April: 322-327.
Garson, C.A. and M. Armstrong (1993). Ultrasonic base cutter height control. Australian Society of Sugar cane Technologists, April: 52-59.
Hill, J.E.; S.R. Roberts; D.M. Brandon; S.C. Scardaci; J.F. Williams and R.G. Mutters (1998). Rice production in California (11/13). Available URL: http://agronomy.ucdavis.edu/uccerice/product.htm.
Hunt, D. R. (1983).Farm power and machinery management .8th ed., Iowa State Univ., press. Ames, U.S.A.
Kaul, E.R. and A.M. Egbo (1985). Introduction to Agriculture mechanization “Management and cost analysis” First published pp. 172-175.
Kepner, R.A.; R. Bainer and E.L. Barger (1982). Principles of farm machinery. The AVI publishing Co. Inc. West Port, Connecticut.
Lopes, G.T.; P.S.G. Magalhaes and E.G.O. Nobrega (2002). Optimal header height control system for combine harvesters. Biosystems Engineering, 81(3): 261-272.
McMaster, G.S.; R.M. Aiken and D.C. Nielsen (2000). Optimizing wheat harvest cutting height for harvest efficiency and soil and water conservation. Agronomy Journal, 92(6): 1104-1108.
Mosby, E. (1995). Combine harvester with secondary cutter. Ewen Mosby, Hartney, Manitoba. United States Patent No. 5,433,065. July 18.
Murphy, D.E. (2000). Stubble cutter on combine. Personal communication. J.H. Mcknight Ranch, Inc. Nelson, California.
Nader, G.; R.G. Mutters and P. Robinson (2000). Rice straw utilization by cattle. Annual report, RU-3, Comprehensive Research on Rice, University of California and USDA, Davis. CA.
Tandon, S.K. and J.S. Panwar (1989). Status of mechanization of harvesting and threshing of soybean in India. AMA, 20(1): 55-60.
Yore, M.W.; M.D. Summers and B.M. Jenkins (2001). Development of a stubble cutting system for a combine harvester. Trans. of the ASAE Paper No. 01-1087.