000 00283nam a2200121Ia 4500
008 220201s1972 xx 000 0 eng d
082 _bBRI
100 _aBridgeman, George
245 0 _aHuman Machines
260 _aNew york
_bDover pUblication
_c1972
300 _a143
942 _2ddc
999 _c20958
_d20958