TY  - BOOK
AU  - Sigel, Astrid
AU  - Sigel, Helmut
TI  - Molybdenum and tungsten : their roles in biological processes
SN  - 9780824707651
SN  - 200201932
U1  - 572.51 SIG 
PY  - 2002///
CY  - New York
PB  - Marcel Dekker
KW  - Molybdenum - Physiological effect
KW  - Molybdenum enzymes
KW  - Tungsten - Physiological effect
N1  - Includes bibliographical references and index
ER  -