TY  - JOUR 
T1  - Growth and photosynthetic responses of Picea asperata seedlings to enhanced ultraviolet-B and to nitrogen supply
JO  - Brazilian Journal of Plant Physiology
A1  - Yao, Xiaoqin
A1  - Liu, Qing
A1  - Han, Chao
SN  - 1677-0420
UL  - 10.1590/S1677-04202008000100002
VL  - 20 
Y1  - 2008
PB  - Brasil 
ER  -