Moore, Keith; Dalley, Arthur (2005). Clinically Oriented Anatomy (5th edición). LWW. p. 47. ISBN0-7817-3639-0. (requiere registro). «A bundle of nerve fibers (axons) connecting neighboring or distant nuclei of the CNS is a tract.»
doi.org
dx.doi.org
Witter, Menno P.; Naber, Pieterke A.; Van Haeften, Theo; Machielsen, Willem C.M.; Rombouts, Serge A.R.B.; Barkhof, Frederik; Scheltens, Philip; Lopes Da Silva, Fernando H. (2000). «Cortico-hippocampal communication by way of parallel parahippocampal-subicular pathways». Hippocampus10 (4): 398-410. PMID10985279. S2CID25432455. doi:10.1002/1098-1063(2000)10:4<398::AID-HIPO6>3.0.CO;2-K.
Witter, Menno P.; Naber, Pieterke A.; Van Haeften, Theo; Machielsen, Willem C.M.; Rombouts, Serge A.R.B.; Barkhof, Frederik; Scheltens, Philip; Lopes Da Silva, Fernando H. (2000). «Cortico-hippocampal communication by way of parallel parahippocampal-subicular pathways». Hippocampus10 (4): 398-410. PMID10985279. S2CID25432455. doi:10.1002/1098-1063(2000)10:4<398::AID-HIPO6>3.0.CO;2-K.
Witter, Menno P.; Naber, Pieterke A.; Van Haeften, Theo; Machielsen, Willem C.M.; Rombouts, Serge A.R.B.; Barkhof, Frederik; Scheltens, Philip; Lopes Da Silva, Fernando H. (2000). «Cortico-hippocampal communication by way of parallel parahippocampal-subicular pathways». Hippocampus10 (4): 398-410. PMID10985279. S2CID25432455. doi:10.1002/1098-1063(2000)10:4<398::AID-HIPO6>3.0.CO;2-K.