MARC状态：已编 文献类型：西文图书 浏览次数：85
- 题名/责任者:
- A simulation model for predicting available days for soil tillage / by Ronald Lee Elliott.
- 出版发行项:
- Urbana, ILL. : s.l., 1974.
- 载体形态项:
- 126p. : ill. ; 30 cm.
- 个人责任者:
- Elliott, Ronald L.
- 论题主题:
- Engineering models.
- 论题主题:
- Tillage.
- 论题主题:
- Soil mechanics.
- 中图法分类号:
- S152.7-533
- 中图法分类号:
- S34-533
- 一般附注:
- "Submitted in partial fulfillment of the requirements for the degree of Master of Science in Agricultural Engineering in the Graduate college of the University of Illinois at Urbana-Champaign, 1974".
- 书目附注:
- Includes bibliographical references (p. 91-98).
- 随书光盘:
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