TY - BOOK AU - Ridley, John. AU - Channing, JohnRidley, John. TI - Risk management SN - 9780750645584 AV - 658.382 RID 1999 U1 - 658.382 RID 1999 PY - 1999/// CY - Oxford PB - Butterworth KW - Process Operation and Maintenance ER -