@article{GENERAL,
      recid = {9448},
      title = {The Type 21 Frigate},
      journal = {Journal of Naval Engineering},
      address = {1970},
      number = {GENERAL},
      abstract = {The Type 21 Frigate.
June 1970.
S. M. ADAMSON, B.Sc.,  C.ENG., M.I.MECH.E., A.M.I.MAR.E.},
      url = {http://library.imarest.org/record/9448},
}