000 00309nam a2200133Ia 4500
008 220601s1969 xx 000 0 eng d
020 _qP B
041 _aEnglish
082 _a669
_bMOR K9
100 _aMorton,Allan
245 0 _aMechanical Composition
260 _aLondon
_bPergamon
_c1969
942 _2ddc
_cBK
999 _c3097
_d3097