@article{lin8443,
    title   = {Characterization of novel psychrophilic clostridia from an Antarctic microbial mat: description of Clostridium frigoris sp. nov., Clostridium lacusfryxellense sp. nov., Clostridium bowmanii sp. nov. and Clostridium psychrophilum sp. nov. and reclassification of Clostridium laramiense as Clostridium estertheticum subsp. laramiense subsp. nov.},    
    author  = {Spring S, Merkhoffer B, Weiss N, Kroppenstedt RM, Hippe H, Stackebrandt E},    
    journal = {Int J Syst Evol Microbiol},    
    year    = {2003},    
    doi     = {10.1099/ijs.0.02554-0},    
    pmid    = {12892121}        
    }
    @article{lin108695,
    title   = {The polar lipids of Clostridium psychrophilum, an anaerobic psychrophile.},    
    author  = {Guan Z, Tian B, Perfumo A, Goldfine H.},    
    journal = {Biochim Biophys Acta},    
    year    = {2013},    
    doi     = {10.1016/j.bbalip.2013.02.004},    
    pmid    = {23454375}        
    }