TY - JOUR TI - Science and magic in African technology: traditional iron-smelting in Malawi JF - Africa: journal of the international african institute AU - Van der Merwe, Nikolaas J. AU - Avery, Donald H. PB - Cambridge University Press UR - http://www.jstor.org/stable/1159819 PY - 1987 SP - 143-172 SN - 00019720 SN - 17500184 IS - 2 VL - 57 ER -