000			00344nam a2200133Ia 4500
005			20260205095302.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a629.1335 Ar48H
100			_aArkell, Basil
245		0	_aHelicopter and hovercraft design
260			_aLonodn _bWeidenfeld & Nicolson, _c1963
300			_a144p.
942			_cBK
999			_c208070 _d208070