References
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- Jørgensen Dreyer K. Undersøgelser over modelgipsens hårdhed og kompressibilitet (Investigations on the hardness and compressibility of model plaster). Tandlægebladet 1951a; 55: 555–571
- Idem. Studier over gipsens afbinding (Studies on the setting of plaster of Paris). 1. Om gipsens volumenforandringer (Volume Changes in the Plaster). Tandlægebladet 1951b; 55: 617–629
- Sodeau W. H., Gibson G. S. The use of plaster of Paris as an impression material. – British Dental Journal. 1927; 48: 1089–1115
- Winther Chr., Ranche E., Madsen. Zur Messung der Abbindung des Gipses. Deutsche zahnärztliche Wochenschrift. 1935; 38: 885–886