000
00280nam a2200121Ia 4500
008
251112s9999||||xx |||||||||||||| ||und||
040
_a
CNCLSA
245
0
_a
Nature
260
_c
1971
_b
Macmillan Journal Limited
_a
London
300
_a
P.587-1283
300
_b
V.223
942
_c
JRBV
999
_c
29333
_d
29333