@article{冯新伟_83, author = {[冯新伟, 关小克, 吕巧灵, 吴克宁]}, title = {基于PSR模型的郑州市生态环境质量灰色预警}, publisher = {河南农业科学}, year = {2007}, journal = {河南农业科学}, volume = {36}, number = {6}, eid = {83}, pages = {83-85,89 }, keywords = {生态;预警;环境质量;灰色系统;郑州}, doi = http://www.hnnykx.org.cn/CN/10.3969/j.issn.1004-3268.2007.06.025 }