TY  - GEN
AU  - ISTA
TI  - ISTA Seed, Science and Technology International Rules for Seed Testing, 1993 Volume 21, Supplement, Rules, 1993
SN  - 3-906549-27-5
SN  - 0251-0952
U1  - 631 
PY  - 1993///
CY  - Zürich
KW  - Methods and techniques
KW  - ISTA SEED RULES TESTING
ER  -