000 00436nam a2200145Ia 4500
008 130225s9999 xx 000 0 und d
080 _a631.53(02)
_bH19
100 _aISTA Purity Committee
245 _aHandbook of pure seed definitions with illustrations (Excluding forest tree seed
250 _a2nd ed.
260 _aZurich
_bInternational Seed Testing Association
_c1987
300 _a59 p.
901 _a243445
942 _cB
_2udc
999 _c13938
_d13938