1.
Justus Liebigs Ann Chem
; 741: 157-66, 1970.
Article
in German
| MEDLINE
| ID: mdl-5499839
2.
Justus Liebigs Ann Chem
; 739: 228-30, 1970.
Article
in German
| MEDLINE
| ID: mdl-5470833
3.
Experientia
; 24(5): 521-3, 1968 May 15.
Article
in English
| MEDLINE
| ID: mdl-5675012