1
by Gerthsen, Christian, Kneser, Hans Otto, Vogel, Helmut
Published 1977
Springer Berlin Heidelberg
Subjects: '; ...Classical and Quantum Gravitation, Relativity Theory...

2
by Gerthsen, Christian, Kneser, Hans Otto
Published 1971
Springer Berlin Heidelberg
Subjects: '; ...Classical and Quantum Gravitation, Relativity Theory...