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Die petrologie van die hebridiese gesteentes van Tweefontein 385, distrik Vredefort, O.V.S., en die geologie van die omgewing
(North-West University (South Africa), 1956)
"No abstract"
Chlorose by mielies met spesiale verwysing na die voorkoms daarvan in die Hoëveldstreek
(North-West University (South Africa), 1959)
"No abstract"
Die verstrooiing van mu-mesone in lood, gemeet met behulp van 'n hodoskoop-opstelling van telbuise
(Potchefstroom University for Christian Higher Education, 1958)
Äbstract not copied"
'n Sistematies-ekologiese studie van die plantegroei van die plaas Koedoesfontein no. 746 en omgewing in die Rustenburgse distrik
(North-West University (South Africa), 1959)
"Abstract not copied"
Contributions to the morphology of Biomphalaria pfeifferi [Krs.] the South African snail vector of intestinal bilharziasis
(North-West University (South Africa), 1958)
"Abstract not copied"
A survey of the prostigmatic mites (Acarina, Trombidiformes, Prostigmata) associated with plants in South Africa, with descriptions of a new genus and new species
(North-West University (South Africa), 1959)
"Abstract not copied"
Sentraal-Wes as landboukoöperasie
(North-West University (South Africa), 1956)
"No abstract available"
Invloed van uitruilbare ione in harpuisstowwe op die ontkieming en groei van mielies
(North-West University (South Africa), 1956)
Sintetiese harpuisuitruilers is gebruik om die
invloed van die ses vernaamste voedingsione, kalsium,
magnesium, kalium, waterstof, fosfaat en nitraat, op die
ontkieming van mielies na te gaan, Die invloed van die ...
Die natuurlike estrogeenaktiwiteit in voedsel en die residuele aktiwiteit in weefsels van stilboëstrol-behandelde beeste
(North-West University (South Africa), 1957)
'n Biologiese bepalingsmetode waar gebruik gemaak word
van die toename in uterusgewig van geovariotomeerde muise is gebruilr om die estrogeenaktiwiteit van verskeie dier- en plantweefsels te bereken in terme van
die ...
Die voorkoms, verspreiding en vorming van sianogenetiese glukosiede by 'n aantal sorghum-soorte
(North-West University (South Africa), 1958)
The occurrence of cyanogenetic glucosides is of
considerable economical importance because they render plants poisonous, and animals consuming this material
may _be poisoned. Methods for the utilization of these
plants ...