000			003750000a22001570004500
245			_aWorkshop processes and materials 1
100			_aAvard, P.J.
100			_aCross, J.
260			_aLondon _bMacmillan _c1977
300			_a112p. : ill.
440			_aMacmillan technician series
020			_a0333211324
080			_a621.7 _bA9
041			_aEN
942			_cBK _01
999			_c112109 _d112109