1
Studies on tagged clay migration due to water movement [E-Book] /
2
The uptake of colloidal organic substances by plant roots as shown by experiments with 14C labelled humus compounds [E-Book] /
3
On the use of C-014 and P-032 in locating genetically caused defects in photosynthesis of some plastid mutants [E-Book] /
4
Tracer studies of the reaction of soil organic matter with nitrite : FAO/IAEA technical meeting: report : Braunschweig, 09.09.63-14.09.63 [E-Book] /
5
Experiences on labelling whole plants with carbon 14 : FAO/IAEA technical meeting: report : Braunschweig, 09.09.63-14.09.63 [E-Book] /