@article{张子龙_472, author = {[张子龙, 鹿晨昱, 陈兴鹏, 薛冰]}, title = {陇东黄土高原农业生态效率的时空演变分析——以庆阳市为例}, publisher = {地理科学}, year = {2014}, journal = {地理科学}, volume = {34}, number = {4}, eid = {472}, pages = {472-478}, keywords = {陇东黄土高原;农业;生态效率;时空演变;SBM;庆阳}, doi = http://geoscien.neigae.ac.cn/CN/10.13249/j.cnki.sgs.2014.04.472 }