[1] CHATTERJEE, A. Sponge Iron Production By Direct Reduction Of Iron Oxide. PHI Learning Pvt. Ltd.New Delhi, 2010, 355 p. ISBN 978-81-203-3644-5 .
[2] CHATTERJEE, A. Hot Metal Production By Smelting Reduction Of Iron Oxide. PHI Learning Pvt. Ltd.New Delhi, 2010, 232 p. ISBN 978-81-203-3936-1 .