| 000 | 00519nam a22001577a 4500 | ||
|---|---|---|---|
| 008 | 230711b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aD 001.894 _bN5 |
||
| 100 | _aRao, Ravindra Pratap | ||
| 245 | _aवैज्ञानिक अनुसंधान और आविष्कार | ||
| 246 | _aVaigyaanik anusandhaan aur avishkaar | ||
| 260 |
_aDelhi: _bYugbodh Prakashan, _c1995 |
||
| 300 | _a164p. | ||
| 650 | _aScience | ||
| 942 |
_2udc _cBK |
||
| 999 |
_c51095 _d51095 |
||