Tetu, Sasha G., Tanz, Sandra K., Vella, Nicole, Burnell, James N., and Ludwig, Martha (2007) The Flaveria bidentis beta-carbonic anhydrase gene family encodes cytosolic and chloroplastic isoforms demonstrating distinct organ-specific expression patterns. Plant Physiology, 144 (3). pp. 1316-1327.

Leggat, William, Marendy, Elessa M., Baillie, Brett, Whitney, Spencer M., Ludwig, Martha, Badger, Murray R., and Yellowlees, David (2002) Dinoflagellate symbioses: strategies and adaptations for the acquisition and fixation of inorganic carbon. Functional Plant Biology, 29 (3). pp. 309-322.

Finnegan, Patrick M., Suzuki, Shoichi, Ludwig, Martha, and Burnell, James N. (1999) Phosphoenolpyruvate carboxykinase in the C4 Monocot Urochloa panicoides is encoded by four differentially expressed genes. Plant Physiology, 120 (4). pp. 1033-1042.

Burnell, James N., and Ludwig , Martha (1997) Characterisation of two cDNAs encoding carbonic anhydrase in maize leaves. AUSTRALIAN JOURNAL OF PLANT PHYSIOLOGY, 24 (4). pp. 451-458.

Finnegan, Patrick M., Suzuki, Shoichi, Ludwig, Martha, and Burnell, Jim (1995) Isolation and sequence analysis of cDNAs encoding phosphoenolpyruvate carboxykinase from the PCK-type C4 grass Urochloa panicoides. Plant molecular biology, 27 (2). pp. 365-376.

Ludwig, Martha, and Burnell, James N. (1995) Molecular comparison of carbonic anhydrase from Flaveria species demonstrating different photosynthetic pathways. Plant Molecular Biology, 29 (2). pp. 353-365.