U. Schramm

Demonstration of a molybdenum- and vanadium-independent nitrogenase in a nifHDK-deletion mutant of Rhodobacter capsulatus.

A. Müller, K. Schneider, W. Klipp, 1991, European journal of biochemistry.

Saturation mutagenesis in Escherichia coli of a cloned Xanthomonas campestris DNA fragment with the lux transposon Tn4431 using the delivery plasmid pDS1, thermosensitive in replication

A. Pühler, U. Priefer, H. Wiggerich, 1993, Applied Microbiology and Biotechnology.