000 00237nam a2200097Ia 4500
008 220601s9999 xx 000 0 und d
020 _a9781404239081
100 _aRICHARDS JON
_9127880
245 0 _aFORCES & SIMPLE MACHINES
942 _cBK
_w561
_xJohn Tresidder
_y561
_zJohn Tresidder
999 _c664342
_d664341