Crane, Laura J; Miller, David Lee (1974). "Guanosine triphosphate and guanosine diphosphate as conformation-determining molecules. Differential interaction of a fluorescent probe with the guanosine nucleotide complexes of bacterial elongation factor Tu". Biochemistry. 13 (5): 933–939. doi:10.1021/bi00702a017. PMID4591619.
Crane, Laura J; Miller, David Lee (1974). "Guanosine triphosphate and guanosine diphosphate as conformation-determining molecules. Differential interaction of a fluorescent probe with the guanosine nucleotide complexes of bacterial elongation factor Tu". Biochemistry. 13 (5): 933–939. doi:10.1021/bi00702a017. PMID4591619.