出版日期
细化搜索
结果 1-3 的 3
The Oriental fruit moth
1930
Eddy, C. O. (Clifford Otis) | Brunson, Marvin Howard | Clarke, W. H.
National Agricultural Library - United States of America
Boj sadnim s̆kodljivcem! | Fight against fruit pest
1930
Humek, M.
National Agricultural Library - United States of America
Water soluble arsenic in spray material
1930
Young, H. C. (Harry Curtis)
National Agricultural Library - United States of America
