Ghuysen JM, Dierickx L, Coyette J, Leyh-Bouille M, Guinand M, Campbell JN (1969). "An improved technique for the preparation of Streptomyces peptidases and N-acetylmuramyl-l-alanine amidase active on bacterial wall peptidoglycans." Biochemistry 8(1);213-22. PMID: 5777325
Herbold DR, Glaser L (1975). "Interaction of N-acetylmuramic acid L-alanine amidase with cell wall polymers." J Biol Chem 250(18);7231-8. PMID: 809432
Ward JB, Curtis CA, Taylor C, Buxton RS (1982). "Purification and characterization of two phage PBSX-induced lytic enzymes of Bacillus subtilis 168: an N-acetylmuramoyl-L-alanine amidase and an N-acetylmuramidase." J Gen Microbiol 128(6);1171-8. PMID: 6126517