Fertilizers in Pictures. ( A Presentation of the Pictures which have been published in 106 issues of International Fertilizer Correspondent from 1968 to 1986)
Fertilizers in Pictures. ( A Presentation of the Pictures which have been published in 106 issues of International Fertilizer Correspondent from 1968 to 1986)
International Potash Institute;
- Bern International Potash Institute 1986
- x 61pp