000 00342nam a2200145Ia 4500
020 _a0000000000
082 _b2151
_a510
100 _a"D.Humphrey"
245 0 _aIntermediate Mechanics
260 _b,Longmans,Green and co
_aLondon
_c1931
300 _a438
944 _cBK
999 _c630721
_d630721