Nov 23, 2016 - ... years ago in the Fertile Crescent of the. Near East, mostly along the Tigris, Euphrates, Nile, Indus and Yangtze River valleys, and also were.
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Design, development and performance of a disk plow combined with rotary blades
This content has been downloaded from IOPscience. Please scroll down to see the full text. 2012 IOP Conf. Ser.: Mater. Sci. Eng. 36 012003 (http://iopscience.iop.org/1757-899X/36/1/012003) View the table of contents for this issue, or go to the journal homepage for more
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1st International Conference on Mechanical Engineering Research 2011 (ICMER2011) IOP Publishing IOP Conf. Series: Materials Science and Engineering 36 (2012) 012003 doi:10.1088/1757-899X/36/1/012003
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1st International Conference on Mechanical Engineering Research 2011 (ICMER2011) IOP Publishing IOP Conf. Series: Materials Science and Engineering 36 (2012) 012003 doi:10.1088/1757-899X/36/1/012003
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