Gregonis, D.E. and Rilling, H.C. (1974). „The stereochemistry of trans-phytoene synthesis. Some observations on lycopersene as a carotene precursor and a mechanism for the synthesis of cis- and trans-phytoene”. Biochemistry13: 1538-1542. PMID4819767.
Misawa, N., Truesdale, M.R., Sandmann, G., Fraser, P.D., Bird, C., Schuch, W. and Bramley, P.M. (1994). „Expression of a tomato cDNA coding for phytoene synthase in Escherichia coli, phytoene formation in vivo and in vitro, and functional analysis of the various truncated gene products”. J. Biochem. (Tokyo)116: 980-985. PMID7896759.