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(The Editor will appreciate it if you will mention Scientific American when. writing for' any of the publications, listed below.)

The Editor will appreciate it if you will mention Scientific American when writing for any of the publications listed below.

The Editor will appreciate it if you will mention Scientific American when writing for any of the publications listed below.

The Editor will appreciate it if you will mention Scientific American when writing for any of the publications listed below.

(The Editor will appreciate it if you will mention Scientific American when writing for any of the publications listed below.)

The Editor will appreciate it if you will mention Scientific American when writing for any of the publications listed below.

(The Editor will appreciate it if you will mention Scientific American when, writing for any of the publications listed below.)

(The Editor will appreciate it if you will mention Scientific American when writing for any of the publications listed below.)

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