Yang ya
By: Hua nan nong xue yuan xu mu shou yi xi bian.
Contributors: Hua nan nong xue yuan. Xu mu shou yi xi.
Edition: Di 1 ban.
Series: Nong cun ke xue shi yan cong shu; Nong cun ke xue shi yan cong shu (Ke xue chu ban she)
Publisher: Ke xue chu ban she; Xin hua shu dian Beijing fa xing suo fa xing
Published: 1978
Place of publication: Beijing
Language: chi
Number of pages: 94
Subjects: Ducks.