Buonomano, V. & Engel, E. (1976), «Some speculations on a causal unification of relativity, gravitation, and quantum mechanics», Int. J. Theor. Phys., 15 (3): 231–246, Bibcode:1976IJTP...15..231B, doi:10.1007/BF01807095
Adamut, I. A. (1982), «The screen effect of the earth in the TETG. Theory of a screening experiment of a sample body at the equator using the earth as a screen», Nuovo Cimento C, 5 (2): 189–208, Bibcode:1982NCimC...5..189A, doi:10.1007/BF02509010
Buonomano, V. & Engel, E. (1976), «Some speculations on a causal unification of relativity, gravitation, and quantum mechanics», Int. J. Theor. Phys., 15 (3): 231–246, Bibcode:1976IJTP...15..231B, doi:10.1007/BF01807095
Adamut, I. A. (1982), «The screen effect of the earth in the TETG. Theory of a screening experiment of a sample body at the equator using the earth as a screen», Nuovo Cimento C, 5 (2): 189–208, Bibcode:1982NCimC...5..189A, doi:10.1007/BF02509010