The genetic basis for constructing selection indexes 
By: by Lanoy Nelson Hazel ...
Published: 1943
Place of publication: [n.p
Language: eng
Number of pages: 490
Subjects: Livestock.; Swine.; Heredity.; Correlation (Statistics).
Notes: "Literature cited": p. 490.
Thesis (Ph. D.)--Iowa State College of Agriculture and Mechanic Arts, 1941. Doctoral thesis no. 655.
Cover-title.
"Journal paper no. J-1121 of the Iowa Agricultural Experiment Station, Ames, Iowa. Project no. 32."
"Reprinted from Genetics, vol. 28, Nov. 1943."