Electronic Resource
Woodward, R. B.
;
Logusch, E.
;
Nambiar, K. P.
;
[et al.]
Sakan, K.
;
Ward, D. E.
;
Au-Yeung, B. W.
;
Balaram, P.
;
Browne, L. J.
;
Card, P. J.
;
Chen, C. H.
s.l.
:
American Chemical Society
Journal of the American Chemical Society
103 (1981), S. 3215-3217