000 00275nam a2200121Ia 4500
100 _aWorthington, Julian (ed)
942 _cRBK
654 _a
245 _aKnow how; Book- 6
260 _aLondon
_bOrbis Publishing Limited
_c1979
082 _aR745.5
300 _bHb
_a601-720
999 _c410446
_d410446
041 _aeng