@article{Merriam_2007,
title={Flexible Irrigation Systems: Concept,
Design,
and Application},
volume={133},
ISSN={1943-4774},
url={http://dx.doi.org/10.1061/(asce)0733-9437(2007)133:1(2)},
DOI={10.1061/(asce)0733-9437(2007)133:1(2)},
number={1},
journal={Journal of Irrigation and Drainage Engineering},
publisher={American Society of Civil Engineers (ASCE)},
author={Merriam,
John L. and Styles,
Stuart W. and Freeman,
Beau J.},
year={2007},
month=feb,
pages={2–11} }