G.J.H.M. van der Burgt. 1998. What is creeping thistle (Cirsium arvense) doing on my farm?. IFOAM Scientific Conference. , Mar del Plata, Argentinia. 16-19 Nov. 1998. Type: Congres bijdragen Taal/language: Engels Abstract / summary in English: Keywords in English: Deel opTwitterLinked inE-mailAfdrukken
