Imaging Science and Photochemistry ›› 1990, Vol. 8 ›› Issue (3): 236-240.DOI: 10.7517/j.issn.1674-0475.1990.03.236

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  • Received:1988-12-27 Revised:1989-08-03 Online:1990-08-20 Published:1990-08-20