Huige, 2006. In: Priest, F. G.; Stewart, G. G., Handbook of Brewing, CRC Press, Second edition, ISBN 9780824726577

Huige, N. J., 2006. Brewery byproducts and effluents. In: Priest, F. G.; Stewart, G. G., Handbook of Brewing, CRC Press, Second edition, ISBN 9780824726577