@article{GENERAL,
      recid = {9559},
      title = {P.N.O.s and N.S.P.O.s},
      journal = {Journal of Naval Engineering},
      address = {1968},
      number = {GENERAL},
      abstract = {P.N.O.s and N.S.P.O.s.
June 1968.
CAPTAIN D. G.  SPICKERNELL, R.N., C.ENG., M.I.MECH.E., M.I.P.M., M.B.I.M.,  M.I.MAR.E.},
      url = {http://library.imarest.org/record/9559},
}