Structural studies of cyclic ureas: 1. Enthalpies of formation of imidazolidin-2-one and N,N′-trimethyleneurea

1. Ribeiro da Silva, M.d.D.M.C.
2. Ribeiro da Silva, M.A.V.
3. Freitas, V.L.S.
4. Roux, M.V.
5. Jiménez, P.
6. Temprado, M.
7. Dávalos, J.Z.
8. Cabildo, P.
9. Claramunt, R.M.
10. Elguero, J.