| 000 | 00425nam a22001577a 4500 | ||
|---|---|---|---|
| 999 |
_c52831 _d52831 |
||
| 008 | 191031b ||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 080 |
_a515.1 _bPEN |
||
| 100 | _aPenrose, Roger | ||
| 245 | _aTechniques of differential topology in relativity | ||
| 260 |
_bSIAM _c1972 |
||
| 300 | _a72p. | ||
| 490 |
_aCBMS-NSF Regional conference series in Applied Mathematics _v7 |
||
| 690 | _aMathematics | ||
| 942 | _cBK | ||