TY  - RPRT
TI  - Circular of the Bureau of Standards no. 575: bibliography on nitrogen 15
AU  - Chapman, Margaret W
PY  - 1956
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 575
DO  - 10.6028/NBS.CIRC.575
ER  -