@article{lejpt14142,
 author={B. Hassan, A. and A. Bukar, a. Y.},
 year={2009},
 title={Design and Fabrication of a Compression Strength Testing Machine for Blocks and Clay Bricks},
 journal={Leonardo Electron. J. Pract. Technol.},
 volume={8},
 number={14},
 pages={142-153},
 url={http://lejpt.academicdirect.org/A14/142_153.pdf}
}