000 00278nam a2200121Ia 4500
100 _aWorthington, Julian (ed)
942 _cRBK
654 _a
245 _aKnow how; Book- 20
260 _aLondon
_bOrbis Publishing Limited
_c1979
082 _aR745.5
300 _bHb
_a2281-2412
999 _c410351
_d410351
041 _aeng