Provider: Nature Publishing Group
Content: application/x-research-info-systems
TY  - JOUR
TI  - 50 & 100 years ago
JA  - Nature
PY  - 2005/09/08/print
VL  - 437
IS  - 7056
SP  - 202
EP  - 202
SN  - 0028-0836
UR  - http://dx.doi.org/10.1038/437202a
M3  - 10.1038/437202a
N1  - 10.1038/437202a
ER  -