| 000 | 00517pam a2200169a 44500 | ||
|---|---|---|---|
| 008 | 160408b1967 xxu||||| |||| 00| 0 eng d | ||
| 082 |
_a509 _bOn1tE |
||
| 100 | _aSkvirsky, David | ||
| 245 | 1 | _aON THE TRACK OF DISCOVERY | |
| 260 |
_aMoscow _bProgress Publishers _c1967 |
||
| 300 | _a237 | ||
| 500 | _aContents. -- Riddles Of Outer Space. -- Scientists Unravel Mysteries. -- Blank Spots In Science. -- Secrets Of History | ||
| 650 | _aRiddles | ||
| 650 | _aOuter Space | ||
| 964 | _gCIRC | ||
| 997 | _aA23437 C | ||
| 999 |
_c256265 _d256265 |
||