TY  - BOOK
AU  - Hawkesford, Malcolm J
AU  - Kok, Luit J
TI  - Sulfur in plants an ecological perspective (Electronic resource)
SN  - 9781402058875
U1  - 581.714 
PY  - 2007///
CY  - Dordrecht
PB  - Springer
N1  - http://dx.doi.org/10.1007/978-1-4020-5887-5
ER  -