000 | 00496nam a22001697a 4500 | ||
---|---|---|---|
008 | 230531b |||||||| |||| 00| 0 eng d | ||
020 | _a533047447 | ||
040 |
_aNational Science Library _cNational Science Library |
||
080 |
_a6.001.1 _bM1 |
||
100 |
_aDas, Ram _910490 |
||
245 |
_aAppropriate technology: _bPrecepts and practices |
||
260 |
_aNew York: _bVantage Press, _c1981 |
||
300 | _axxiii, 311p. | ||
650 | _aInformation services | ||
653 | _aHuman ecology | ||
942 |
_2udc _cBK |
||
999 |
_c37312 _d37312 |