00374    a2200121   4500020001500000082001500015100002500030245010500055260004400160300001500204650001200219650002100231  a0335162061  a530.4bOPE  aThe Open university   aThe physics of matterbunit 10 mechanical properties of solids, unit 11 thermal properties of solids  aKeynesbThe Open Universityc1986g1991  a88p.c29cm  aPhysics  aStates of matter