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× 1985 Andrew Junker- Systems Engineering Based Methodology on Brain Wave Entrainment to ELF Visual Stimuli 1985 Andrew Junker- Systems Engineering Based Methodology on Brain Wave Entrainment to ELF Visual Stimuli $9.99
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× Placeholder 2015 Jon Klimo- The Idealism of Engineering Non Locally $5.99
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× 1983 Hugh Scott- Low Frequency Sound and ELF Effects on Health from Heating Plant and Appliances in Home 1983 Hugh Scott- Low Frequency Sound and ELF Effects on Health from Heating Plant and Appliances in Home $5.99
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