TY  - BOOK
AU  - Ledward, D.A  .
AU  - Lawrie,R.A  .
AU  - Taylor,A.J  .
TI  - Upgrading waste for feeds and food / 
SN  - 0-408-10837-1
U1  - 664.096 
PY  - 1983///
CY  - London : 
PB  - Butterworth Scientific , 
ER  -