@misc{ebinghaus_extraction_of_1991, 
author={Ebinghaus, R.,Wilken, R.-D.,Chau, Y. K.,Liu, D.},
title={Extraction of adenine nucleotides from bacteria},
year={1991},
howpublished = {GKSS report},
note = {Online available at: \url{} (DOI). Ebinghaus, R.; Wilken, R.; Chau, Y.; Liu, D.: Extraction of adenine nucleotides from bacteria. GKSS 91-E-89. 1991.}}