@misc{becker_h2o_masers_1993, 
author={Becker, R., Henkel, C., Wilson, T. L., Wouterloot, J. G. A.},
title={H2O masers in nearby irregular galaxies},
year={1993},
howpublished = {journal article},
note = {Becker, R.; Henkel, C.; Wilson, T.; Wouterloot, J.: H2O masers in nearby irregular galaxies. Astronomy and Astrophysics. 1993. vol. 268, 483ff..}}