求object-oriented methods:principles & practice
各位大侠，谁有Ian Graham写的《object-oriented methods: principles&practice》电子书,可否提供下载地址，不胜感激！

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http://www.google.cn/search?hl=zh-CN&source=hp&q=object-oriented+methods%3A+principles%26practice&aq=f&oq=