000			00339nam a2200133Ia 4500
008			140113s9999 xx 000 0 und d
082			_a632.9 J9
100			_a" Martin, Hubert"
245			_aThe scientific principles of crop protection
260			_b"Edward Arnold, 1959"
300			_a359p.
650			_aCrop protection
942			_cBK
999			_c64159 _d64159