Pinta V, Ouchane S, Picaud M, Takaichi S, Astier C, Reiss-Husson F (May 2003). "Characterization of unusual hydroxy- and ketocarotenoids in Rubrivivax gelatinosus: involvement of enzyme CrtF or CrtA". Archives of Microbiology. 179 (5): 354–62. doi:10.1007/s00203-003-0538-3. PMID12664193. S2CID30048505.
Pinta V, Ouchane S, Picaud M, Takaichi S, Astier C, Reiss-Husson F (May 2003). "Characterization of unusual hydroxy- and ketocarotenoids in Rubrivivax gelatinosus: involvement of enzyme CrtF or CrtA". Archives of Microbiology. 179 (5): 354–62. doi:10.1007/s00203-003-0538-3. PMID12664193. S2CID30048505.
Pinta V, Ouchane S, Picaud M, Takaichi S, Astier C, Reiss-Husson F (May 2003). "Characterization of unusual hydroxy- and ketocarotenoids in Rubrivivax gelatinosus: involvement of enzyme CrtF or CrtA". Archives of Microbiology. 179 (5): 354–62. doi:10.1007/s00203-003-0538-3. PMID12664193. S2CID30048505.