00311nam a2200121 a 4500008004100000020001500041050001800056100001600074245004500090260002600135300001900161350000900180120416s0000    ||||||||||||||||| ||    u  a0304307955  aTK 7881.2 Dav  aDavey, D. J10aTechnician instrumentation and control 4  aLondonbCassellc1981  ax, 209p. : ill  a0.00