On the occurrence of growth inhibiting substances in rye.
By: [By] G. W. Wieringa. 
Publisher: H. Veenman
Published: 1967
Place of publication: Wageningen
Language: eng
Number of pages: 68
Subjects: Rye.; Plant growth inhibiting substances.
Notes: Bibliography: p. 68.
Proefschrift--Wageningen.
"Stellingen": [2] p. inserted.
Summary in Dutch.