TY  - BK
AU  - Sylvester-Bradley,R.
AU  - Wiseman,J.
TI  - Yields of farmed species:  constraints and opportunities in the 21st century
SN  - 1-904761-23-2
U1  - 338.1622 
PY  - 2005///
CY  - Nottingham (United Kingdom)
PB  - Nottingham University Press, 
KW  - Agricultural productivity
KW  - Congresses
KW  - Farmed species
ER  -