1# $a: Physiologic specialization in the oat smut fungi and its relation to breeding oats for smut resistance $f: By C. S. Holton ... and H. A. Rodenhiser ...
210
## $a: Washington $c: U. S. Gov. print. off. $d: 1948
215
## $a: 16 с. $d: 23 см
225
1# $a: Technical bulletin $f: U. S. Dep. of agriculture $v: № 950