TY  - BOOK
TI  - Nature 
SN  - 0028-0836
U1  - 505 
PY  - 1999///
CY  - London
PB  - Macmillan Magazines Ltd.
N1  - January  - 006609
February - 006610
March     - 006611
April         - 006612
May          - 006613
June         - 006614
July          - 006615
August     - 006616
September - 006617
October  - 006618
November - 006619
December  - 006620

ER  -