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Heldt, HW; Sauer, F (Apr 6, 1971). "The inner membrane of the chloroplast envelope as the site of specific metabolite transport". Biochimica et Biophysica Acta (BBA) - Bioenergetics. 234 (1): 83–91. doi:10.1016/0005-2728(71)90133-2. PMID5560365.
Mustárdy, L; Garab, G (March 2003). "Granum revisited. A three-dimensional model—where things fall into place". Trends in Plant Science. 8 (3): 117–22. doi:10.1016/S1360-1385(03)00015-3. PMID12663221.