000 00485nam a22001457a 4500
008 230419b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a616.988:061.6
_bK8
245 _aWork of who virus reference centres and the services they provide
_c/ World Health Organization
260 _aGeneva:
_bWorld Health Organization,
_c1968
300 _a59p.
650 _2Economics
653 _aEnvironment
942 _2udc
_cREF
999 _c56007
_d56007