Transactions // 15th International Congress on Irrigation and Drainage : The Hague, the Netherlands, 1993 = Actes // 15ème Congrès International des Irrigations et du Drainage / International Commission on Irrigation and Drainage, ICID ; 1J: Keynote addresses = Discours d'introduction

Katalog Agrar | 1993

Transactions // 17th International Congress on Irrigation and Drainage : Granada, Spain = Actes // 17e Congrès International des Irrigations et du Drainage / International Commission on Irrigation and Drainage (ICID) ; Vol. 1I: Keynote adresses

International Congress on Irrigation and Drainage / International Commission on Irrigation and Drainage | TIBKAT | 1999

Transactions // 16th International Congress on Irrigation and Drainage : Cairo, Egypt, 1996 = Actes // 16ème Congrès International des Irrigations et du Drainage / International Commission on Irrigation and Drainage, ICID ; 1H: Keynote address = Discours d'introduction

Katalog Agrar | 1996

Transactions // 17th International Congress on Irrigation and Drainage : Granada, Spain = Actes // 17e Congrès International des Irrigations et du Drainage / International Commission on Irrigation and Drainage (ICID) ; Vol. 1H: General reports

International Congress on Irrigation and Drainage / International Commission on Irrigation and Drainage | TIBKAT | 1999

Transactions // 17th International Congress on Irrigation and Drainage : Granada, Spain = Actes // 17e Congrès International des Irrigations et du Drainage / International Commission on Irrigation and Drainage (ICID) ; Vol. 1J: History seminar

International Congress on Irrigation and Drainage / International Commission on Irrigation and Drainage | TIBKAT | 1999