000 00331nam a2200145Ia 4500
020 _a9780435178765
082 _b298-T
_a510
100 _a"Blair, John T"
245 0 _aExtension Text Book (N.H.M.6)
260 _aLondon
_c2002
300 _a30
944 _cTB
999 _c249108
_d249108