@article{杨兆萍_450, author = {[杨兆萍, 张小雷]}, title = {自然保护区生态旅游与可持续发展——以哈纳斯自然保护区为例}, publisher = {地理科学}, year = {2000}, journal = {地理科学}, volume = {20}, number = {5}, eid = {450}, pages = {450-455}, keywords = {自然保护区;生态旅游;可持续发展}, doi = http://geoscien.neigae.ac.cn/CN/10.13249/j.cnki.sgs.2000.05.450 }