000			003120000a22001330004500
245			_aCobblestone July/August 2009
250			_a6
260			_c8/1/2009
650			_aAmerican inventions.
650			_aAirplanes.
650			_aKevlar.
650			_aFrozen Foods.
852			_oJ PER
999			_c43807 _d43807