Ondergrondse verligting en die verwantskap met visuele funksiebepaling by swart mynwerkers
| dc.contributor.advisor | Pretorius, P.J. | |
| dc.contributor.advisor | Strydom, N.B. | |
| dc.contributor.advisor | Rennhackkamp, W.M.H. | |
| dc.contributor.author | Van Graan, Christoffel Henegan | |
| dc.date.accessioned | 2020-11-16T13:39:00Z | |
| dc.date.available | 2020-11-16T13:39:00Z | |
| dc.date.issued | 1981 | |
| dc.description | Proefskrif (DSc)--PU vir CHO, 1981 | en_US |
| dc.description.abstract | "Abstract not copied" | en_US |
| dc.description.thesistype | Doctoral | en_US |
| dc.identifier.uri | http://hdl.handle.net/10394/36378 | |
| dc.language.iso | other | en_US |
| dc.publisher | Potchefstroom University for Christian Higher Education | en_US |
| dc.title | Ondergrondse verligting en die verwantskap met visuele funksiebepaling by swart mynwerkers | en_US |
| dc.type | Thesis | en_US |