- Publication venue
- [s.n.]
- Publication date
- 01/01/1952
- Field of study
- Publication venue
- Unknown Publisher
- Publication date
- 01/01/1956
- Field of study
- Publication venue
- [s.n.]
- Publication date
- 01/01/1947
- Field of study
- Publication venue
- I.V.T.
- Publication date
- 01/01/1949
- Field of study
- Publication venue
- IVT
- Publication date
- 01/01/1952
- Field of study
- Publication venue
- IVT
- Publication date
- 01/01/1957
- Field of study
- Publication venue
- IVT
- Publication date
- 01/01/1956
- Field of study
- Publication venue
- I.V.T.
- Publication date
- 01/01/1945
- Field of study