ICS 35.240.50. Norma Europejska EN 61987-21:2016 Industrial-process measurement and control - Data structures and elements in process equipment catalogues - Part 21: Lists of Properties (LOP) of automated valves for electronic data exchange - Generic structures ma status Polskiej Normy.
Bibliografia na stronie 33.
Strona tytułowa w języku polskim, tekst angielski.