000 003420000a22001570004500
020 _a0 249 44155 1
060 _a100
082 _a631.521 THO
100 _aThomson, J R
245 _aIntroduction to seed technology
260 _aGlasgow, Leonard Hill
260 _c1979
300 _a252
650 _aSeed technology
942 _cBK
999 _c213007
_d213007