海量图书期刊资源，随时随地畅享阅读乐趣
Mechanical Harvesting of Leucadendron FlowersB. Zion, ; A. Weisblum, ; L. Reshef, ; R. Regev, ; M. Levi, ; M. Cohen, ; Y. Steinmetz, ; M. Lev, · Applied Engineering in Agriculture · 2007