000 00250nam a22001097a 4500
003 OSt
008 230613b |||||||| |||| 00| 0 eng d
100 _aMayr, E.
245 _aPrincipal of Systematic Zoology
260 _bM.H.ed
_c1969
942 _2ddc
_cBK
999 _c27755
_d27755