کتاب های Ramona Becker
Gmelin Handbuch der Anorganischen Chemie: Index
Ramona Becker, 1978
Index Formula Index: O-Zr Elements 104 to 132
Ramona Becker, 1980
Index: Formula Index Br3-C3
Ramona Becker, 1976
Index: Formula Index C13–C23
Ramona Becker, 1977
Index: Formula Index Volume 10 Ga-I
Ramona Becker, 1979
