Neger, A. T., Parvin, S., Ahmed, A. and Alam, A. S. (2008) “Studies on Black Iron Oxide Pigment. Part I: Effect of Preparation Parameter on Physical and Optical Properties of Ferrosoferric Oxide”, Bangladesh Journal of Scientific and Industrial Research, 43(2), pp. 183–196. doi: 10.3329/bjsir.v43i2.962.