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Originally posted by imrsfb at 2011-07-08 17:49:48:
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Originally posted by ÓîÖæ333 at 2011-07-08 18:13:55:
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Äã¿ÉÒÔ¿´¿´Ó¢¹ú½£ÇÅ´óÑ§ÖøÃû½ÌÊÚA. H. CottrellµÄÕâÆªÎÄÏ×£º
Philosophical Magazine Letters
Volume 81, Issue 1, 2001
A theory of work softening
A. H. Cottrell
pages 23-28

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