#return 'Vigouroux, C., Bauer Aquino, C. A., Bauwens, M., Becker, C., Blumenstock, T., De Mazière, M., García, O., Grutter, M., Guarin, C., Hannigan, J., Hase, F., Jones, N., Kivi, R., Koshelev, D., Langerock, B., Lutsch, E., Makarova, M., Metzger, J.-M., Müller, J.-F., ? Toon, G. (2018). NDACC harmonized formaldehyde time series from 21 FTIR stations covering a wide range of column abundances. In Atmospheric Measurement Techniques (Vol. 11, Issue 9, pp. 5049?5073). Copernicus GmbH. https://doi.org/10.5194/amt-11-5049-2018\n'
fordoi_valueinDOIRelationFactory.search_doi(self.value):#there should be only one hit