| 000 | 00436cam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 180718b1968 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aP044x73 Un3 | ||
| 245 |
_aStudy for the subcommittee of science, research, and development _cby Science Policy Research Division Legislative Reference Service, U.S.A. |
||
| 260 |
_aWashington _b _c1968 |
||
| 300 | _a136p. | ||
| 700 | _aU.S.A. Science Policy Research Division Legislative Reference Service | ||
| 999 |
_c495422 _d495422 |
||