TY  - JOUR <br/>
             A1  - Sil, M.}<br/>A1  - Faure, A.<br/>A1  - 
Wiesemeyer, H.<br/>A1  - 
Hily-Blant, P.<br/>A1  - 
Loreau, J.<br/>A1  - 
Pérez, K. D.<br/>A1  - 
Čurík, R.<br/>A1  - 
{Lique, F.<br/>T1  - Chemistry and ro-vibrational excitation of HeH+ in the Planetary Nebula NGC 7027<br/>JF  -  A&A<br/>Y1  - 2025<br/>VL  - 695<br/>SP  - A244<br/>EP  - A244<br/>ER  -