@misc{willumeit_mapping_proteins_2001, 
author={Willumeit, R., Diedrich, G., Forthmann, S., Beckmann, J., May, R.P., Stuhrmann, H.B., Nierhaus, K.H.},
title={Mapping Proteins of the 50S subunit from Escherichia coli ribosomes},
year={2001},
howpublished = {journal article},
note = {Willumeit, R.; Diedrich, G.; Forthmann, S.; Beckmann, J.; May, R.; Stuhrmann, H.; Nierhaus, K.: Mapping Proteins of the 50S subunit from Escherichia coli ribosomes. Biochimica et Biophysica Acta: Gene Structure and Expression. 2001. vol. 1520, 7-20.}}