TY - JOUR AB - VL - 29 IS - 3 SN - 0369-9420 DO - 10.1108/prt.2000.12929cab.017 UR - https://doi.org/10.1108/prt.2000.12929cab.017 PY - 2000 Y1 - 2000/01/01 TI - Investing in mine upgrade T2 - Pigment & Resin Technology PB - Emerald Group Publishing Limited Y2 - 2024/03/29 ER -