1    Feddes Repertorium 2014, 125, S. 25 – 31
"Morpho-anatomical investigations of cones and pollen in Cathaya argyrophylla, Chung & Kuang
(Pinaceae, Coniferales) under systematical and evolutional aspects“.
Veit  M. Dörken,  Hubertus Nimsch
2    Bulletin of the Cupressus Conservation  Projekt,  Vol. 4, N° 1
"Morphology and anatomy of pollen cones and pollen in Podocarpus gnidioides, Carrière (Podocarpaceae, Coniferales)".
Veit  M. Dörken,  Hubertus Nimsch
3    Bulletin of the Cupressus Conservation Projekt,   Vol . 5, N° 1, S. 3 – 21
"Some new aspects about the evolution of pollen cones and perisporangiate microsporangiophores in Taxaceae".
Veit  M. Dörken,  Hubertus Nimsch
4    Elsevier:  Flora  230, 2017,  S. 47 – 56
"Morphology, anatomy and morphogenesis of seed cones of Cupressus vietnamensis, (Cupressaceae)  and taxonomic and systematic implications“.  
Veit  M. Dörken,  Hubertus Nimsch,  Armin Jagel
5    Bulletin of the Cupressus Conservation Projekt,  Vol. 6,  N° 4 
"Morpholgy, anatomy and morphogenesis of pollen cones of Cupressus vietnamensis, (Cupressaceae)“.
Veit  M. Dörken,  Hubertus Nimsch,  Armin Jagel
6   Bulletin of  the Cupressus Conservation Projekt,  Vol.6,   N° 4
"Seed cone proliferations in Cupressus vietnamensis  (Cupressaceae) and their evolutionary meaning“.
Veit  M. Dörken,  Hubertus Nimsch