N. Bose Mahendra, and Manum Svein B. 1991. “Additions to the Family Miroviaceae (Coniferae) from the Lower Cretaceous of West Greenland and Germany: Mirovia Groenlandica N. Sp., Tritaenia Crassa (Seward) Comb, nov., and Tritaenia Linkii Magdefrau Et Rudolph Emend.”. Polar Research 9 (1):9-20. https://doi.org/10.3402/polar.v9i1.6776.