000 00342nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aPew, W.D.
245 _aGrowing headlettuce in Arizona
260 _aTucson
260 _c1977
300 _a16 p.
440 _aA-87; Arizona Cooperative Exte
901 _pS29024
942 _cB
_2udc
999 _c124131
_d124131