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			Street wise to the dangers of ozone : ozone in the upper atmosphere protects us from the sun ; at ground level the gas is toxic . The US congress , currently redrafting its clear air act ... by Vaughan, Chris Material type: Article Language: English Publication details: 1990; 1990 In: New scientist P. 56-59 Vol. 126 , No. 1718 Availability: No items available. Add to cart (remove)
			A long , long way to waxahachie's dream machine : construction in American of the world's ... by Vaughan, Chris Material type: Article Language: English Publication details: 1990; 1990 In: New scientist 32-33 Vol. 125 , No. 1707 Availability: No items available. Add to cart (remove)

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