by Barton, D. H. R., Kempe, U. M., Widdowson, D. A.
Published in Journal of the Chemical Society, Perkin Transactions 1 (1972)

by Flohr, H, Kempe, U M, Pannhorst, W, Rétey, J
Published in Angewandte Chemie International Edition (01.07.1976)

by Barton, D. H. R., Davies, P. J., Kempe, U. M., McGarrity, J. F., Widdowson, D. A.
Published in J. Chem. Soc., Perkin Trans. 1 (1972)

by Bidlingmaier, G, Flohr, H, Kempe, U M, Krebs, T, Rétey, J
Published in Angewandte Chemie International Edition (01.12.1975)

by Barton, D H, Kempe, U M, Widdowson, D A
Published in Perkin transactions. 1 (1972)

by Barton, D H, Davies, P J, Kempe, U M, McGarrity, J F, Widdowson, D A
Published in Perkin transactions. 1 (1972)