Dyrkning of udnyttelse af græsmarker i Holland : rapport om detagelse i The Intra-European Technical Assistance Training Course on Pasture and Fodder Improvement and Utilization afholdt i Holland fra 15. juni til 10. juli 1953
Intra-European Technical Assistance Training Course on Pasture and Fodder Improvement and Utilization
Bok Dansk 1956