@article{李燕琴_875, author = {[李燕琴, 蔡运龙]}, title = {北京市生态旅游者的行为特征调查与分析——以百花山自然保护区为例}, publisher = {地理研究}, year = {2004}, journal = {地理研究}, volume = {23}, number = {6}, eid = {875}, pages = {875-875}, keywords = {

生态旅游者;行为特征;北京市

}, doi = https://www.dlyj.ac.cn/CN/10.11821/yj2004060017 }