Structural studies of cyclic ureas: 3. Enthalpy of formation of barbital

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.