Sound of Success: How One Company Transformed the Cassette Tape and Music Industry - TDK - CNN

Mix tape, anyone? The cassette turns 50

Cassette Tape Technology and Its Impacts on U.S. Culture, by S. Murdy

Compact Cassette Encyclopedia MDPI

The Man Who Invented The Cassette Tape Has Died; Lou Ottens Was 94 : NPR

Cassette Tape Technology and Its Impacts on U.S. Culture, by S. Murdy

TDK CD Power 90 High Energy Performance Audio Cassette Tapes - 3 Pack : Electronics

Lou Ottens, inventor of the cassette tape, dies aged 94, Netherlands

Mix tape, anyone? The cassette turns 50

PDF) Online Music: How the Internet Changed the Recorded Music Industry

TDK CD Power 90 High Energy Performance Audio Cassette Tapes - 3 Pack : Electronics

TDK Corporation TDK Venture Spirit