| 000 | 00403nam a2200121Ia 4500 | ||
|---|---|---|---|
| 005 | 20251007104420.0 | ||
| 008 | 251006s9999 xx 000 0 und d | ||
| 100 | _adepartment of scientific and industrial research. | ||
| 245 | 0 | _a.department of scientific and industrial research. deppartment of scientific and industrial research. | |
| 260 | _a1st.ed | .London H.M.S.O. | ||
| 260 | _c1952 | ||
| 942 | _cBOK | ||
| 999 |
_c6732 _d6732 |
||