@article{于健:2052, author = {[于健, 周华, 刘琪璟*, 史景宁, 孟盛旺]}, title = {基于R软件的树木年轮宽度测量方法}, publisher = {生态学杂志}, year = {2017}, journal = {生态学杂志}, volume = {36}, number = {7}, eid = {2052}, pages = {2052-2059}, keywords = {数字图像; 年轮宽度; R软件; 倾斜校正; 自动识别}, url = http://www.cje.net.cn/CN/abstract/article_22692.shtml }