000 | 00429pam a2200097a 44500 | ||
---|---|---|---|
040 | _aP K Kelkar Library, IIT Kanpur | ||
100 | _aYokel, Felix Y. | ||
245 | 0 |
_aNBS building science series 127 _brecommended technical provisions for construction practice in shoring and sloping of trenches and excavations _cFelix Y. Yokel |
|
260 |
_aUsa _bU. S. Deptt. Of Commerce [National Bureau Of Standards] _c1980 |
||
997 | _aTR7252 C | ||
999 |
_c406902 _d406902 |