000 00344nam a2200121Ia 4500
008 130223s9999 xx 000 0 und d
245 _aResults of the first elite selection yield trial-1: and elite selection yield tr
260 _aMexico
260 _c1972
440 _aNo. 4; Mexico, International M
901 _pS22477
942 _cB
_2udc
999 _c132255
_d132255