000 00407nam a22001337a 4500
008 230419b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
100 _aBick, Hartmut
245 _aCiliated protozoa
_c/ World Health Organization,
260 _aGeneva:
_bWorld Health Organization,
_c1972
300 _a198p.
650 _2Science
942 _2udc
_cREF
999 _c55300
_d55300