000 00274nam a2200097Ia 4500
082 _aJ 621.811 WALK
245 0 _aInclined planes and wedges
100 _a WALKER, Sally M. London, 2008 Updated ed
_913240
942 _cBK
008 210816s9999 xx 000 0 und d
999 _c110128
_d110127