Importante! Sobre el catálogo
| LDR | ·····nam##22·····5##4500 |
| 001 | 000933 |
| 005 | 20100527135231.0 |
| 008 | 960000s1970####xx#####f#####|0||#0#eng#d |
| 245 | 10 | $a Gravitation and the universe. |
| 260 | ## | $a Philadelphia : $b American Philosophical Society, $c 1970. |
| 300 | ## | $a 82 p. |
| 490 | 0# | $a Memories of the American Philosophical Society ; $v no. 78 |
| 500 | ## | $a Jayne Lectures for 1969. |
| 100 | 1# | $a Dicke, Robert H. $q (Robert Henry) |
| 653 | ## | $a Cosmología. |
| 653 | ## | $a Gravitación. |
| 040 | ## | $a AR-BaBIR $b spa |