000
00319nam a2200133Ia 4500
008
130225s9999 xx 000 0 und d
100
_a
Combs, W.B.
245
_a
Grain grading primer
260
_a
Washington
_c
1938
300
_a
1-48 p.
440
_a
United States Department of a
901
_a
30796
942
_c
B
_2
udc
999
_c
5978
_d
5978