000 00233nam a22001097a 4500
082 _a621.8 DYS
100 _aDYSON.F
_956657
245 _aPRINCIPLES OF MECHANISM
260 _aNEW YORK
_bOXFORD
_c1964
300 _a308P
942 _cBK
999 _c567031
_d567031