TY  - BOOK
AU  -  Roland K. O. Sigel; Helmut Sigel; Astrid Sigel 
TI  - Metal Ions in Biological Systems, Volume 43  Biogeochemical Cycles of Elements
SN  - 9780429164644
PB  - Taylor and Francis
UR  - http://www.taylorfrancis.com/books/9780429164644
ER  -