000
00251nam a2200109Ia 4500
008
160710s1949 xx 000 0 und d
100
_a
CALVIN ,M AND OTHERS
245
_a
ISOTIPIC CARBON
260
_b
JOHN WILEY
_c
1949
300
_a
376
942
_2
ddc
_c
B
999
_c
9280
_d
9280