Lawson, G. Accident and design, failure and consequence: Identifying and exploiting error in the archaelogy of music / Graeme Lawson. Productive errors : scientific concepts in Antiquity.(2012).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lawson, Graeme. "Accident and Design, Failure and Consequence: Identifying and Exploiting Error in the Archaelogy of Music / Graeme Lawson." Productive Errors : Scientific Concepts in Antiquity.(2012) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lawson, Graeme. "Accident and Design, Failure and Consequence: Identifying and Exploiting Error in the Archaelogy of Music / Graeme Lawson." Productive Errors : Scientific Concepts in Antiquity.(2012), .
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