@article{ljs17021,
 author={Siddique, R.},
 year={2010},
 title={Wear Resistance of High-Volume Fly Ash Concrete},
 journal={Leonardo J. Sci.},
 volume={9},
 number={17},
 pages={21-36},
 url={http://ljs.academicdirect.org/A17/021_036.pdf}
}