000 00353nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aJubb, R.A.
245 _aFish-ladders and the migration of freshwater fishes
260 _aSalisbury
_c1953
300 _a3 p. & 1 pl.
440 _aNo. 1704; Rhodesia Department
901 _a37842
942 _cB
_2udc
999 _c7044
_d7044