by Hoevers, H. F. C., Bruijn, M. P., Dirks, B. P. F., Gottardi, L., de Korte, P. A. J., van der Kuur, J., Popescu, A. M., Ridder, M. L., Takei, Y., Takken, D. H. J.
Published in Journal of low temperature physics (01.04.2008)

by Traas P.C, Boelens H, Takken H.J
Published in Synthetic Communications (1976)

by Boelens, Mans, Van der Linde, Leendert M, De Valois, Pieter J, Van Dort, Hans M, Takken, Henk J
Published in Journal of agricultural and food chemistry (01.11.1974)

by de Rijke, D., Traas, P.C., ter Heide, R., Boelens, H., Takken, H.J.
Published in Phytochemistry (Oxford) (1978)

by Takken, H.J, Linde, L.M. van der, Valois, P.J. de, Dort, H.M. van, Boelens, M
Published in ACS Symp Ser Amer Chem Soc (1976)

by Rijke, D.de (Naarden International, Research Department, P.O.Box 2, Naarden (Netherlands)), Traas, P.C, Heide, R.ter, Boelens, H, Takken, H.J
Published in Phytochemistry (UK) (1978)