1.
雑誌 |
International Dairy Federation
|
|||||||
2.
図書 |
International Dairy Congress ; International Dairy Federation
|
|||||||
3.
図書 |
International Dairy Federation
|
|||||||
4.
図書 |
rapporteur G. Wälzholz
|
|||||||
5.
図書 |
International Dairy Federation
|
|||||||
6.
図書 |
rapporteur J.B. Roos
|