Open AccessPreface
Publication year - 2019
Publication title -
iop conference series. materials science and engineering
Language(s) - Uncategorized
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/587/1/011001
Subject(s) - presentation (obstetrics) , library science , engineering ethics , china , political science , engineering , computer science , medicine , law , radiology