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Ãtude du caractère cyanogénétique du manioc (Manihot esculenta Crantz) = A study on the cyanogenetic character of cassava / G.H. de Bruijn.
- Veenman,
- 1971.
- Wageningen :
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Freeliving and plant parasitic nematodes from Spitzbergen, collected by Mr. H. van Rossen / P.A.A. Loof.
- Veenman,
- 1971.
- Wageningen :