000			00401nam a2200145Ia 4500
008			220204s9999 xx 000 0 und d
082			_a575:631.523 _bRAC
100			_aLYMAN, Judith M
245		0	_aGenetic engineering for crop improvement.
260			_aUSA _bRockfeller _c1981
650			_aGenetic engineering
650			_aTissue culture techniques
700			_aRACHIE, Kenneth O
942			_cBK
999			_c29771 _d29771