000
00249nam a2200109Ia 4500
008
140122s9999 xx 000 0 und d
082
_a
574
100
_a
Gerdwin T W
245
_a
Structure and activity of enzymes
260
_b
_c
1964
942
_c
BK
_2
ddc
999
_c
945
_d
945