BibTex format
@article{Hadler:2012:10.1016/j.mineng.2012.04.003,
author = {Hadler, K and Greyling, M and Plint, N and Cilliers, JJ},
doi = {10.1016/j.mineng.2012.04.003},
journal = {MINERALS ENGINEERING},
pages = {248--253},
title = {The effect of froth depth on air recovery and flotation performance},
url = {http://dx.doi.org/10.1016/j.mineng.2012.04.003},
volume = {36-38},
year = {2012}
}