|
| NON posseduto | |
| Autore principale: | Babbage, Charles, 1791-1871.
|
| Titolo: | A letter to T.P. Courtenay, on the proportionate number of births of the two sexes under different circumstances / by Charles Babbage ; communicated by the author. |
| In: |  Edinburgh journal of science Vol. 1 (1829), p. 85-104 |
| 000000172298 |
--------------------------------------