TY  - JOUR
AU  - Shi, Xiao
TI  - Environmental efficiency analysis based on relational two-stage DEA model
JO  - RAIRO - Operations Research - Recherche Opérationnelle
PY  - 2016
SP  - 965
EP  - 977
VL  - 50
IS  - 4-5
PB  - EDP-Sciences
UR  - http://archive.numdam.org/articles/10.1051/ro/2015059/
DO  - 10.1051/ro/2015059
LA  - en
ID  - RO_2016__50_4-5_965_0
ER  -