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D71—1659农业微生物资料选编(76页)杭州市微生物协作组一九七一年四月D71—1660一九七○年陕西省农业会议展览馆中国农业科学院陕西分院展品介绍(23页)中国农业科学院陕西分院生产组一九七○年十月
D71-1659 Selected Microbial Materials for Agriculture (76 pages) Hangzhou Microbiology Collaborative Group April 1971 D71-1660 1970 Shaanxi Province Convention and Exhibition Center of Agriculture Shaanxi Academy of Agricultural Sciences Exhibits (23 pages) China Agriculture Shaanxi Branch of Academy of Sciences production group in October 1970