G. W. Mueller-Warrant, Whittaker, G. W., Griffith, S. M., Banowetz, G. M., Dugger, B. D., Garcia, T. S., Giannico, G. R., Boyer, K. L., and McComb, B. C.,
“Remote sensing classification of grass seed cropping practices in western Oregon”,
International Journal of Remote Sensing, vol. 32, no. 9, pp. 2451 - 2480, 2011.