Caspar, Max Hellman, C Doris Ed.,
Kepler - New York Dover publications 1993 - 441
Translated and edited by C Doris Hellman.
0786676056
92(KEP) CAS
Kepler - New York Dover publications 1993 - 441
Translated and edited by C Doris Hellman.
0786676056
92(KEP) CAS