Provider: Nature Publishing Group
Content: application/x-research-info-systems
TY  - JOUR
TI  - 100 and 50 years ago
JA  - Nature
PY  - 2005/03/17/print
VL  - 434
IS  - 7031
SP  - 284
EP  - 284
SN  - 0028-0836
UR  - http://dx.doi.org/10.1038/434284a
M3  - 10.1038/434284a
N1  - 10.1038/434284a
ER  -