1 “... of Springer-Verlag. I am also grateful to my colleagues who were so patient with my questions and to Rene...”

2 “...This volume is the third in the series devoted to Antibiotics initiated by Springer Verlag in 1967...”

3 “... complements “Halophilic Microorganisms”, edited by A. Ventosa and published by Springer-Verlag (2004...”