Found in articles
Horn "Candles" in Ullmann's Encyclopedia of Industrial Chemistry, 2000, Wiley-VCH, Weinheim. doi:10.1002/14356007.a05_029 Telesco, Patricia. Exploring Candle
Wiedemann. Machine Vision Algorithms and Applications 2nd. Weinheim: Wiley-VCH（英语：Wiley-VCH）. 2018: 1 [2018-01-30]. ISBN 978-3-527-41365-2. （原始内容存档于2023-03-15）
氯苯
Michael. Phenol. Wiley-VCH Verlag GmbH & Co. KGaA (编). Ullmann's Encyclopedia of Industrial Chemistry. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co.
Fibers, 1. Survey. Wiley-VCH Verlag GmbH & Co. KGaA (编). Ullmann's Encyclopedia of Industrial Chemistry. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co.
Strehlke "2-Butanone" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2002.. Weinheim: Wiley-VCH. 2002. ISBN 9783527329434.