1
2
3
Publicado 1981
“...International Potash Institute...”
Libro
4
Publicado 1966
“...Congress of the International Potash Institute Bruselas...”
Libro
5
Publicado 1957
“...Congress of the International Potash Institute Vienna...”
Libro
6
Publicado 1958
“...Congress of the International Potash Institute Madrid...”
Libro
7
Publicado 1960
“...Congress of the International Potash Institute Amsterdam...”
Libro
8
Publicado 1956
“...Annual Meeting of the Board of Technical Advisers of The International Potash Institute London...”
Libro
9
Publicado 1979
“...Proceedings of the Cooloquium of the International Potash Institute held in Sevilla Bern, Suiza...”
Libro
10
Publicado 1962
“...International Potash Institute...”
Libro