@article{WendtMolaro2012, author = {Martin Wendt and P. Molaro}, title = {QSO 0347-383 and the invariance of m(p)/m(e) in the course of cosmic time}, journal = {Astronomy and astrophysics : an international weekly journal}, volume = {541}, number = {3}, doi = {10.1051/0004-6361/201218862}, year = {2012}, }