@article{lin308180,
    title   = {Peptidoglycan types of bacterial cell walls and their taxonomic implications.},    
    author  = {Schleifer KH, Kandler O.},    
    journal = {Bacteriol Rev},    
    year    = {1972},    
    doi     = {10.1128/br.36.4.407-477.1972},    
    pmid    = {4568761}        
    }