TY  - CONF
A1  - Johnson, P.L.
A1  - Wood, J.W.
A1  - Sparks, C.S.
A1  - Murtha, T.M.
T1  - From sustainable to unsustainable: Three centuries of population history in North Orkney, Scotland
Y1  - 2005
CY  - Hanover, NH, USA

ER  -