Energy distributions among reaction products, determined by Fourier spectroscopyRobert George Macdonald · First published 1970Open the Tome
The infrared emission spectrum of the upper atmosphereRobert George Macdonald · First published 1967Open the Tome
Manual of French commercial correspondenceGeorge Robert Macdonald · First published 1947Open the Tome
Spanish-English and English-Spanish commercial dictionaryGeorge Robert Macdonald · First published 1918Open the Tome