A photomechanical method of black-and-white image enhancement : paper / submitted by the United States of America.
1979
详细记录
符号E/CONF.72/L.5
标题A photomechanical method of black-and-white image enhancement : paper / submitted by the United States of America.
日期New York : UN, 29 Oct. 1979.
描述
[9] p.