Okoroanyanwu, U. Chemistry and Lithography, Second Edition, Vol. 1: The Chemical History of Lithography. SPIE Digital Library.
Tohutoru Kātū Chicago (17th ed.)Okoroanyanwu, Uzodinma. Chemistry and Lithography, Second Edition, Vol. 1: The Chemical History of Lithography. SPIE Digital Library.
Tohutoro MLA (9th ed.)Okoroanyanwu, Uzodinma. Chemistry and Lithography, Second Edition, Vol. 1: The Chemical History of Lithography. SPIE Digital Library.
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