@article{lejpt28225,
 author={E. Desmond, E. and O. Fidelis, O.},
 year={2016},
 title={Quality control chart for crushed granite concrete},
 journal={Leonardo Electron. J. Pract. Technol.},
 volume={15},
 number={28},
 pages={225-234},
 url={http://lejpt.academicdirect.org/A28/225_234.pdf}
}