Publication Type: | Thesis |
Year of Publication: | 1989 |
Authors: | I. G. Horak |
Degree: | DVSc thesis |
Date Published: | 1989 |
University: | University of Pretoria |
City: | Pretoria, South Africa |
Publication Type: | Thesis |
Year of Publication: | 1989 |
Authors: | I. G. Horak |
Degree: | DVSc thesis |
Date Published: | 1989 |
University: | University of Pretoria |
City: | Pretoria, South Africa |