@book{fisher_childress_1991, 
  title={Host-Symbiont Interactions between a Marine Mussel and Methanotrophic Bacterial Endosymbionts}, 
  DOI={10.21236/ada235562}, 
  institution={Defense Technical Information Center}, 
  author={Fisher and Childress}, 
  year={1991}, 
  month={Apr}
  }