Petrological studies of rocks of Borabudur, Java
Tài liệu tham khảo
Fox, C. S.A Comprehensive Treatise on Engineering Geology, 1935, p. 74.
Johannsen, AA Descriptive Petrography of the Igneous Rocks, 1939, p. 77.
Mahadevan, C., and Krishnamurthi, L. S.Jour. Hyd. Geol. Survey, 1938,3 pt. 2, pp. 48–49.
Niggli, P.Schwar. Min. Petr. Mitt., 1938,Band 18, Heft 2, 610–64.
—International Critical Tables of Numerical Data, 1927,2, 53–54.