Safety considerations in using IEC 1131-3 programming languages
1986 ◽
Vol 19
(2)
◽
pp. 237-247
◽
Keyword(s):
1992 ◽
Vol 139
(4)
◽
pp. 335
2013 ◽
Vol 34
(S 01)
◽
2018 ◽
pp. 125-131