000 nam a22 7a 4500
999 _c5589
_d5589
008 170520b xxu||||| |||| 00| 0 eng d
020 _a0199140979
041 _heng
082 _a531
_bSAD
100 _aSadler,A.J.
245 _aUnderstanding Machanics/
260 _aLondon:
_bOxford University Press,
_c1991
300 _a356p. :
_c23 cm.
650 0 _aPhysics
942 _cBK