000			00573 a2200205 4500
082			_a633.2 _bPRI
090			_c23336 _d37452
100			_aGriffiths, D.J. _eed.
245			_aPrinciples of herbage seed production
260			_aAberystwyth _bWelsh Plant Breeding Station _c1967 _g1967
300			_a135p. _c24cm
440			_aTechnical bulletin No. 1
650			_aField and plantation crops
650			_aForage crops
700			_aBean,E.W. _eed.
700			_aRoberts, H.M. _eed.
700			_aLewis, J. _eed.
700			_aStoddart, J.L. _eed.
942			_cL
999			_c50589 _d50589