You may also wish to search for items by Widen, C. and Widen.
Only one matching reference was found.
Pyysalo, H.; Widen, C.-J., Glass capillary gas chromatographic separation of naturally occuring phloroglucinols. II. Investigation of some acylfilicinic acid derivatives, J. Chromatogr., 1979, 172, 1, 446-449, https://doi.org/10.1016/S0021-9673(00)90994-4 . [all data]