000 00490nad a22001577a 4500
008 120525s1903 gw ||||| |||| 00| 0 eng d
041 _aeng
100 1 _aStevens, N. M.
245 1 _aOn the ovogenesis and spermatogenesis of Sagitta bipunctata /
_cby N. M. Stevens
260 _aJena :
_bG. Fischer,
_c1903
300 _a227-240 p. :
_bill. ;
_c24 cm
440 1 _aZoologische Jahrbücher ;
_v18
500 _aTav. di studio SZN
760 _07326
_97326
_tVermes.
_w7326
942 _2ddc
_cPM
999 _c48749
_d48749