TY  - JOUR <br/>
             A1  - Barlow, S. E.<br/>A1  - Dunn, G. H.<br/>T1  - he effects of isotopic substitution on abstraction reactions of ammonia ions with hydrogen at very low temperatures<br/>JF  -  Int. J. Mass Spectrom. Ion Proc.<br/>Y1  - 1987<br/>VL  - 80<br/>SP  - 227<br/>EP  - 227<br/>ER  -