International Journal of Mineral Processing International Journal of Mineral Processing, Vol.63, No.2 Entire volume, number list ISSN: 0301-7516 (Print) In this Issue (2 articles) 59 - 77 Flowsheet mass balance with partial observation of stream componentsSalama AIA 79 - 114 Charge behaviour and power consumption in ball mills: sensitivity to mill operating conditions, liner geometry and charge compositionCleary PW