@book {5641, title = {Fruits and seeds of Annonaceae: morphology and its significance for classification}, series = {Studies in Annonaceae}, volume = {17}, year = {1992}, pages = {101}, publisher = {E. Schweizerbart{\textquoteright}sche Verlagsbuchhandlung (N{\"a}gele u. Obermiller)}, organization = {E. Schweizerbart{\textquoteright}sche Verlagsbuchhandlung (N{\"a}gele u. Obermiller)}, address = {Stuttgart}, author = {van Setten, A. K. and Koek-Noorman, J.} } @article {5277, title = {Studies in Annonaceae XVIII. New species from the Neotropics and miscellaneous notes}, journal = {Botanische Jahrb{\"u}cher f{\"u}r Systematik, Pflanzengeschichte und PflanzengeographieBotanische Jahrb{\"u}cher f{\"u}r Systematik, Pflanzengeschichte und Pflanzengeographie}, volume = {115}, number = {1}, year = {1993}, note = {007, 049, 054, 055, 080, 100, 133, 155, 167, 206}, pages = {77-95}, author = {Maas, P. J. M. and Koek-Noorman, J. and Westra, L. Y. T. h} } @article {5222, title = {Systematic position and subdivision of Rollinia. In: Maas, P.J.M., L.Y.Th. Westra et al.: Rollinia}, journal = {Flora Neotropica, MonographFlora Neotropica, Monograph}, volume = {57}, year = {1992}, note = {167}, pages = {55-62}, author = {Koek-Noorman, J. and P. J. M. Maas} } @article {5224, title = {Studies in Annonaceae. XIII. The role of morphological characters in subsequent classifications of Annonaceae. A comparative survey}, journal = {TaxonTaxon}, volume = {39}, number = {1}, year = {1990}, pages = {16-32}, author = {Koek-Noorman, J. and Westra, L.Y. Th. and Maas, P.J.M.} } @article {4954, title = {Studies in Annonaceae XXXVI. The Duguetia alliance: Where the ways part}, journal = {Annals of the Missouri Botanical GardenAnnals of the Missouri Botanical Garden}, volume = {87}, number = {2}, year = {2000}, pages = {234-245}, author = {Chatrou, L. W. and Koek-Noorman, J. and Maas, P.J.M.} } @book {614, title = {Fruits and seeds of Annonaceae: morphology and its significance for classification}, series = {Studies in Annonaceae}, volume = {17}, year = {1992}, pages = {101}, publisher = {E. Schweizerbart{\textquoteright}sche Verlagsbuchhandlung (N{\"a}gele u. Obermiller)}, organization = {E. Schweizerbart{\textquoteright}sche Verlagsbuchhandlung (N{\"a}gele u. Obermiller)}, address = {Stuttgart}, author = {van Setten, A.K. and Koek-Noorman, J.} }