00740nam a22002177a 4500 20220329141529.0 971013s1988 r 00010 d 69686 70658 80150 G875 Garrick, Dorian John. 46951 Restricted maximun likelihood estimation of variance components for multiple traits with missing observations and an application to beef cattle Cornell University : The author, 1988 171 h Thesis (Doctor of Philosophy) --Cornell University BATCH-UPD 10 20130110 UCH01 0622 CONVERSION 10 20130109 UCH01 1338 Ganado de carne. 45067 BK 69686 69686