| 000 | 00435nam a2200157 454500 | ||
|---|---|---|---|
| 008 | 160721b1973 xxu||||| |||| 00| 0 eng d | ||
| 082 |
_aNASA _bTN D-7200 |
||
| 100 | 1 | _aTRAUBOTH,H | |
| 245 | 1 | _aPROPOSAL FOR HIERARCHICAL DESCRIPTION OF SOFTWARE SYSTEMS | |
| 260 |
_bNASA, WASHINGTON, D.C. _c1973 |
||
| 300 | _a,132,,,,,, | ||
| 500 | _aBound with NASATN D-7201-7210 | ||
| 964 | _gCIRC | ||
| 997 | _a101310 C | ||
| 998 |
_c9405 _d9405 |
||
| 999 |
_c483196 _d483196 |
||