TY  - BOOK
AU  - 
TI  - Amendments to the International rules for seed testing 1985: as agreed on by the 22nd ISTA Congress in Edinburgh, July 1989, valid July 1st, 1990, see also the amendments from the ISTA Congress 1986, valid since July 1st, 1987
PY  - 1990///
CY  - Zurich, Switzerland
PB  - International Seed Testing Association
KW  - Seeds
N1  - "1985 edition of the International rules for seed testing published as Seed science and technology vol. 13 no. 2"--T.p. verso
ER  -