000
00290nam a2200121Ia 4500
008
251112s9999||||xx |||||||||||||| ||und||
040
_a
CNCLSA
245
0
_a
Nature
260
_c
August 30, 1969
_b
Macmillan (journal) LTD.
_a
London
300
_a
P.877-1296
300
_b
V.223
942
_c
JRBV
999
_c
24463
_d
24463