000 00340nam a2200109 4500
080 _a51
_b: 621.3 BIR.81
245 _aMathematics for electrical technicians level <4=four> and <5=five>
100 _aBird, J.O
260 _aLondon
_bLongman Group Ltd.
_c1981
300 _a384p
440 _vLongman technician series in mathematics and sciences
440 _vBrowning, D.R
999 _c28122
_d28122