000
00284nam a2200121Ia 4500
008
191031s9999 xx 000 0 und d
100
_a
James B.Sumner
245
0
_a
Chemistry and methods of enzymes
260
_b
Academic press
260
_c
1953
365
_b
56.25
942
_c
BK
999
_c
198142
_d
198142