Handbook of Conveying and Handling of Particulate Solids, A. Levy, Elsevier, October 2001, ISBN: 978-0-444-50235-3
Wohlbier, R., H.: Bulk Handling in Open Mines and Quarries, 1986, ISBN
0878490655.
Wohlbier, R., H.: Bulk Handling in Surface Mines, 1994, ISBN
0878490914.
Wohlbier,R.H.: Open mit Mine, 2000, ISBN 0878491201 .
Powder Handling and Processing. ISSN 0934-7348 Trans Tech Publications 1998 – 2003.