Imaging Science and Photochemistry ›› 1988, Vol. 6 ›› Issue (3): 61-64.DOI: 10.7517/j.issn.1674-0475.1988.03.61

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  • Received:1987-04-04 Revised:1987-09-14 Online:1988-08-20 Published:1988-08-20