【FS】Contax 645 with 80/2 lens+film back# PhotoGear - 摄影器材e*i2012-03-05 08:031 楼我打算用SJR的H Index来做journal排名因为排的最有利。我在想需要提供什么证明说用H index做杂志排名是一个很权威的metric吗?如果要的话在哪里有呢?谢谢
p*e2012-03-05 08:032 楼Contax 645 medium format camera and 80/2 lens and film back$2300.ships from NY.
c*s2012-03-05 08:033 楼lol★ 发自iPhone App: ChineseWeb - 中文网站浏览器【在 p********e 的大作中提到】: Contax 645 medium format camera and 80/2 lens and film back: $2300.: ships from NY.