000			00318nam a22001337a 4500
082			_a301.243 DIC
100			_aDickson, David
245			_aAltenative Technology
260			_aGreat Britain _bFontana _c1974
300			_a224p. _b18cm.
500			_aInclude index and References
650			_aTechnology
942			_cBK
999			_c12684 _d12684