000 00252pam a2200109a 44500
082 _a621.8
_bD99P4
100 _aDyson, F.
245 1 _aPRINCIPLES OF MECHANISM
260 _aLodnon
_bOxford University Press
_c1959
964 _gCIRC
997 _a7497 C
999 _c417825
_d417825