TY - BOOK TI - Biological Nitrogen Fixation: Research Challenges - A Review of Research Grants Funded by the U.S. Agency for International Development DO - 10.17226/9288 PY - 1994 UR - https://nap.nationalacademies.org/catalog/9288/biological-nitrogen-fixation-research-challenges-a-review-of-research-grants PB - The National Academies Press CY - Washington, DC LA - English ER -