000 nam a22 7a 4500
999 _c9841
_d9841
003 OSt
005 20190208133227.0
008 180929b xxu||||| |||| 00| 0 eng d
040 _cNARA
100 _917991
_aIOC
245 _a Standard and Reference Materials for Marine Science Ocean IOC Manuals and guides No.21
260 _aParis,
_bUNESCO,
_c1990,
300 _a
_c29cm.
942 _cIOTC