000 00305nam a2200121Ia 4500
008 220201s1978 xx 000 0 eng d
082 _a621.8
_bRYD
100 _aRyder, GH & Bennett, MD
245 0 _aMechanics of machines
260 _bEnglish Language Book Society
_c1978
300 _a227
942 _2ddc
999 _c82672
_d82672