Balon, Eugene K.; Stewart, Donald J. (1983). "Fish assemblages in a river with unusual gradient (Luongo, Africa-Zaire system), reflections on river zonation, and description of another new species". Environmental Biology of Fishes. 9 (3–4): 225–252. Bibcode:1983EnvBF...9..225B. doi:10.1007/BF00692373. ISSN0378-1909. S2CID45866788.
harvard.edu
ui.adsabs.harvard.edu
Balon, Eugene K.; Stewart, Donald J. (1983). "Fish assemblages in a river with unusual gradient (Luongo, Africa-Zaire system), reflections on river zonation, and description of another new species". Environmental Biology of Fishes. 9 (3–4): 225–252. Bibcode:1983EnvBF...9..225B. doi:10.1007/BF00692373. ISSN0378-1909. S2CID45866788.
Balon, Eugene K.; Stewart, Donald J. (1983). "Fish assemblages in a river with unusual gradient (Luongo, Africa-Zaire system), reflections on river zonation, and description of another new species". Environmental Biology of Fishes. 9 (3–4): 225–252. Bibcode:1983EnvBF...9..225B. doi:10.1007/BF00692373. ISSN0378-1909. S2CID45866788.
worldcat.org
Balon, Eugene K.; Stewart, Donald J. (1983). "Fish assemblages in a river with unusual gradient (Luongo, Africa-Zaire system), reflections on river zonation, and description of another new species". Environmental Biology of Fishes. 9 (3–4): 225–252. Bibcode:1983EnvBF...9..225B. doi:10.1007/BF00692373. ISSN0378-1909. S2CID45866788.