Youyun Xu

Youyun Xu, Libo Zhang · Xin hua shu dian Beijing fa xing suo fa xing

368 sayfa · 1983

Environmental health / Environmental monitoring

Youyun Xu, 耿維民, Libo Zhang · Xin hua shu dian Beijing fa xing suo fa xing

268 sayfa · 1983

Environmental health / Handbooks, manuals / Environmental monitoring

Shilin Wang, Yunfei Cai, Youyun Xu, Yuanyang Cai · World Scientific Publishing Co Pte Ltd

Sayfa sayısı yok · 2022

Engineering