Ding liang fen xi
By: Huabei nong ye da xue, Xibei nong xue yuan deng bian.
Edition: Di 1 ban.
Publisher: Shanghai ke xue ji shu chu ban she; Xin hua shu dian Shanghai fa xing suo fa xing
Published: 1978
Place of publication: Shanghai
Language: chi
Number of pages: 138