Provider: Macmillan Magazines Ltd.
Content: application/x-research-info-systems
TY  - JOUR
AU  - Thomas, Chris D.
AU  - Lennon, Jack J.
TI  - Birds extend their ranges northwards
JA  - Nature
PY  - 1999/05/20/print
VL  - 399
IS  - 6733
SP  - 213
EP  - 213
SN  - 0028-0836
UR  - http://dx.doi.org/10.1038/20335
M3  - 10.1038/20335
N1  - 10.1038/20335
ER  -