1. 1
    Published 1956
    ...International Association of Scientific Hydrology...
    Journal
  2. 2
    Published 1958
    ...International Association of Scientific Hydrology...
    Book
  3. 3
    Published 1969
    Book
  4. 4
    Published 1969
    Book
  5. 5
  6. 6
    Published 1961
    Conference Proceeding Book