|Publication Type:||Journal Article|
|Year of Publication:||1993|
|Authors:||Hilger, H. H., Hoppe, JR, M. Hofmann|
Energy dispersive X-ray microanalysis (EDX) was used to investigate surfaces of Boraginoideae nutlets with regard to their content and ratios of silicon (Si) and calcium (Ca), respectively. Deposition takes place very short prior to full maturity. Potassium (K) is a third always detectible element.