Muscovy ducks /
Bauer, F.
Muscovy ducks / F. Bauer. - Port Moresby : Dept. of Primary Industry, 1980. - 18 p. ill., 30cm. - Rural development series handbook no. 15. .
Ducks.
Muscovy ducks / F. Bauer. - Port Moresby : Dept. of Primary Industry, 1980. - 18 p. ill., 30cm. - Rural development series handbook no. 15. .
Ducks.