| Type |  Book |
| ชื่อเรื่อง | Nitrogen isotope techniques / edited by Roger Knowles, T. Henry Blackburn |
| ISBN | 0124169651 |
| | 012416966X (acid-free) |
| | 9780124169654 |
| | 9780124169661 |
| พิมพลักษณ์ | San Diego : Academic Press, c1992 |
| รูปเล่ม | xii, 311 pages : illustrations ; 24 cm |
| หัวเรื่อง | Mass spectrometry |
| | Nitrogen --Fixation --Research [] |
| | Nitrogen cycle --Research --Methodology [] |
| | Nitrogen --Fixtion --Research [] |
| | Nitrogen |
| | Nitrogen --Isotopes --Analysis [] |
| | Stable isotope tracers |