TY  - RPRT
A1  - Festy, P.
T1  - From GGS to GGP; from micro- to macro- via meso- levels. Variables in the survey [GGS] and in the contextual database [CDB]
Y1  - 2002
UR  - http://www.unece.org/fileadmin/DAM/pau/_docs/ggp/2003/GGP_2003_IWG002_BgDocCDBWG.pdf

ER  -