00350pam a2200133 a 4500020000500000041000500005082001900010100001500029245006400044250001700108260003400125300001900159653003800178  c  h  a621.381 5bBOL  aBolton, W.  aProgrammable Logic Controllers / cNULL.hTextual Documents  a3rd ed / b.  aOxford : bElsevier , c2004.  a495 ; c24*18.  aDigital Logic and Computer Design