Lanzhou University, China April 5, 1987Dear Editors,I was pleased that you responded to my letter of January 26, 1987. I did not expect such a lengthy reply as the one in your May issue entitled, "On...
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Lanzhou University, China April 5, 1987Dear Editors,I was pleased that you responded to my letter of January 26, 1987. I did not expect such a lengthy reply as the one in your May issue entitled, "On...