机读格式显示(MARC)
- 000 00667nam2 2200217 4500
- 008 050119s1942 a 000 0 eng d
- 245 00 |a Second informal quarterly report to national defense research committee of office scientific reaearch and development.
- 260 __ |a [s. n.?] |b [s. n.?] |c 1942
- 300 __ |a 31-55 p. |b ill. |c 29 cm
- 905 __ |a XATU |d TG14/E4
- 950 __ |a 261060 |f TG14/E4
- 999 __ |t A |A shenxiaoyan |a 20050119 10:59:18 |G shenxiaoyan |g 20050119 10:59:3