TY  - BOOK
AU  - Brigham,Reed O
TI  - Assimilation of organic nitrogen by zea mays and the influence of bacillus subtilis on such assimilation
CY  - Michigan
N1  - A dissert. subm. in part. fulf. of the req. for. the deg. of Dr. of Phil. in the Univ. of Michigan. Repr. from soil sc. Rutgers College
ER  -