@book{morris_1980, 
  title={Thermal-hydraulic/heat transfer code development for sphere-pac-fueled LMFBRs. [COBRA-3SP code]}, 
  DOI={10.2172/5248239}, 
  institution={Office of Scientific and Technical Information  (OSTI)}, 
  author={Morris}, 
  year={1980}, 
  month={Jun}
  }