000			00294nam a22001097a 4500
020			_a 9780746004159, 074600415X
100			_aMartyn Bramwell
245			_aThe Usborne Book of How Things Work
260			_aLondon, England _bLondon, England _c1989
690			_aTechnology Experiments
942			_cBK _n0
999			_c889 _d889