Letter (Astounding, February 1939): Because Campbell Is Now Twice as Busy! And—to the Defense!—N2O5 Is an Exothermic Compound that Catalysts Could Form, Though All Other Nitrogen Oxides Are Not.
| First published | February 1939 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1939 |
|
Astounding Science-Fiction, February 1939 | Street & Smith Publications, Inc. | MAGAZINE | 161 |