{"id":"000027457","type":"book","title":"A weighting system for the estimation of gene frequencies from family records. - Ann Arbor, MI","container-title":"Contributions from the Laboratory of Vertebrate Biology ; 1947, no. 33, S. 1-21 : 1 Ill. ; 11 Tab","author":[{"family":"Cottermann","given":"Charles W."}],"issued":{"raw":"1947"}}