TY - GEN AU - Branson,Peter AU - Pritchard, Ian. AU - Watts, Alison. TI - An introduction to the systems approach using alpha U1 - 621.3811 PY - 0000///[n.d.] CY - [s.l.] PB - Pupil Worksheets KW - Electronic Engineering KW - Electronic systems N1 - Includes appendices. ER -