Engel, Michael H.; Nagy, Bartholomew (29. april 1982). »Distribution and enantiomeric composition of amino acids in the Murchison meteorite«. Nature. 296: 837–840. doi:10.1038/296837a0.
Bada, Jeffrey L.; Cronin, John R.; Ho, Ming-Shan; Kvenvolden, Keith A.; Lawless, James G.; Miller, Stanley L.; Oro, J.; Steinberg, Spencer (10. februar 1983). »On the reported optical activity of amino acids in the Murchison meteorite«. Nature. 301: 494–496. doi:10.1038/301494a0.