| Publication Type: | Report |
| Year of Publication: | 1929 |
| Authors: | H. de Rook |
| Pagination: | 63 numbered pp., 2 pp. references and 7 double-page tables |
| Type: | Dutch mimeographed report |
| Full Text |
| Publication Type: | Report |
| Year of Publication: | 1929 |
| Authors: | H. de Rook |
| Pagination: | 63 numbered pp., 2 pp. references and 7 double-page tables |
| Type: | Dutch mimeographed report |
| Full Text |