000 00278nam a2200121Ia 4500
100 _aWorthington, Julian (ed)
942 _cRBK
654 _a
245 _aKnow how; Book- 18
260 _aLondon
_bOrbis Publishing Limited
_c1979
082 _aR745.5
300 _bHb
_a2041-2160
999 _c352891
_d352891
041 _aeng