@article{何兴元:175, author = {[何兴元, 刘常富, 陈玮, 关正君, 赵桂玲]}, title = {城市森林分类探讨}, publisher = {生态学杂志}, year = {2004}, journal = {生态学杂志}, volume = {}, number = {5}, eid = {175}, pages = {175-178,185}, keywords = {城市森林;分类;分类单位;城市绿地}, url = http://www.cje.net.cn/CN/abstract/article_14792.shtml }