TY  - JOUR <br/>
             A1  - Simon{\v{c}i\v{c}}, M.<br/>A1  - Semenov, D.<br/>A1  - 
Krasnokutski, S. and
         Henning, Th.<br/>A1  - 
J{\"ager}, C.<br/>T1  - Sensitivity of gas-grain chemical models to surface reaction barriers. Effect from a key carbon-insertion reaction, C + H$_2$ \textrightarrow CH$_2$<br/>JF  -  \aap<br/>Y1  - 2020<br/>VL  - 637<br/>SP  - A72<br/>EP  - A72<br/>ER  -