TY - BOOK ED - World Conference on Tin (5th. : 1981 : Kuala Lumpur) TI - Papers): World Conference on Tin, Kuala Lumpur, 19-23 October 1981 PY - 1981/// CY - Kuala Lumpur PB - Ministry of Primary Industries KW - Tin industry KW - Congresses KW - Malaysia ER -