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3 Yuh-Yuan Wanga and Chi-Chao Wana Products and nucleation analysis of photoelectrochemical reduction of cupric ions in the CuSO4—methanol—TiO2 suspension system Journal of Photochemistry and Photobiology A: Chemistry Volume 79, Issue 3, 10 May 1994, Pages 203-211 http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TGY-44CR0DW-5R&_user=1457014&_coverDate=05%2F10%2F1994&_alid=1742991881&_rdoc=1&_fmt=high&_orig=search&_origin=search&_zone=rslt_list_item&_cdi=5267&_sort=r&_st=13&_docanchor=&view=c&_ct=1&_acct=C000052776&_version=1&_urlVersion=0&_userid=1457014&md5=55f7f4665d8f1d315fdbfb517d626d9a&searchtype=a