@Article{2008, title = {辽北虫草1号品种选育报告}, author = {张士义,刘国宇,杨军,宋莹}, journal = {中国农业信息}, volume = {}, number = {6}, pages = {}, numpages = {}, year = {2008}, month = {}, doi = {}, publisher = {《中国农业信息》 编辑部} }