@book{ Solr-urn:nbn:de:hebis:04-z2004-0218, title = {Nonribosomal peptide synthetases : quaternary structure and chemoenzymatic synthesis of macrocyclic peptides}, author = {Sieber, Stephan Axel}, publisher = {Philipps-Universität Marburg}, year = {2004}, url = {/diss/z2004/0218/pdf/dsas.pdf} }