00244nam a2200073Ia 4500082002000000245003100020100007800051008004100129  aST 621.381 VANH 0aIndustrial electronics N4   a VAN HEERDEN, R B J (Roelof Barend Johannes)   Pinegowrie, 2000  1st ed  210816s9999    xx            000 0 und d