共 10 条
[1]
BAKKER JC, 1989, ACTA HORTIC, V245, P226
[2]
BOT GPA, 1988, 28 WAG AGR U DEP HOR
[3]
Gysi C., 1990, LANDWIRTSCHAFT SCHWE, V3, P447
[4]
RAMAKERS PMJ, 1989, P JOINT EXPERTS M PR
[5]
RATTINK H, 1991, Mededelingen van de Faculteit Landbouwwetenschappen Universiteit Gent, V56, P423
[6]
RATTINK K, 1990, MEDEDELINGEN FACULTE, V54, P517
[7]
VANDEWERKEN J, 1991, BCPC MONO, V46
[8]
VEREIJKEN P, 1992, NETH J AGR SCI, V40, P209
[9]
1990, NATIONAL ENV POLICY
[10]
1991, MULTI YEAR CROP PROT