1.
J Am Chem Soc
; 94(9): 3257-9, 1972 May 03.
Article
in English
| MEDLINE
| ID: mdl-4338112
2.
J Am Chem Soc
; 93(7): 1782-3, 1971 Apr 07.
Article
in English
| MEDLINE
| ID: mdl-5550251