000 | 00472 a2200157 4500 | ||
---|---|---|---|
080 |
_a621.95 _bN277R |
||
245 | 1 | _aResearch and development proposals for drilling, mud and cement | |
260 |
_aIndia _bNational Committee on Science & Technology _c1972 |
||
650 | _aDrilling | ||
650 | _aMud and Cement | ||
700 | _aNational Committee on Science & Technology | ||
100 |
_a _d |
||
300 | _a73 p. | ||
040 | _aIARI, New Delhi | ||
901 | _a122025 | ||
999 |
_c77483 _d77483 |