H. Kuipers

发表

Agronomic aspects of ploughing and non-ploughing

H. Kuipers, 1991 .

The Role of a Game-Simulation in a Project of Change

H. Kuipers, 1983 .

Reflections on the 8th Conference of ISTRO

H. Kuipers, H. Kuipers, 1980 .