000 00263nam a2200085Ia 4500
008 130123s9999 xx 000 0 und d
082 _a574
245 _aAnnals of Applied Biology Vol 45
260 _aWarwick, England.
_bAssociation of Allplied Biologists.
_cMAR-DEC 1957
999 _c81746
_d81746