00319nam a2200097Ia 4500008004100000082002400041100001400065245009000079260004300169300000900212140113s9999    xx            000 0 und d  a631.4(082.2)   L2.2  aAnonymous  a"Proceedings Symposium on the fundamentals of soil conditioning. Ghent. 17-21, April"  a1972bState University of GhentcGhent  a1167