TY  - BOOK
AU  - Ray,Luther R.
AU  - Beekman,Evert
ED  - Food and  Agriculture Organization of the United Nations.
TI  - Equipment for cleaning and grading grains and seeds / 
PY  - 1951///
CY  - Rome : 
PB  - FAO, 
KW  - Grain - handling machinery
N1  -  Includes bibliographical references
ER  -