1. Adirondack igneous rocks and their metamorphism;Buddington;Geol. Soc. Am., Mem.,1939
2. Development of ptygmatic features within a passive host during partial anatexis;Dietrich;Beitr. Mineral. Petrog.,1959
3. Genesis of ptygmatic features;Dietrich,1960
4. Über Versuche zur Nachbildung ptygmatischer Falten;Erdmannsdörffer;Zentralbl. Mineral. Geol. Paläontol., Abt. A,1938
5. Experiments in connection with salt domes Leidsche;Escher;Geol. Mededel.,1929