| LDR | 00414namu 2200145 k 4500 | |
|---|---|---|
| 001 | 000000002798 | |
| 005 | 20010101000000 | |
| 008 | 950407s1971 us a 00100 eng | |
| 020 | ▼a 0852291558 | |
| 040 | ▼a 247004 | |
| 049 | 0 | ▼l M0065402 |
| 090 | ▼a 059 ▼b B862s ▼c -1971 | |
| 245 | 00 | ▼a Britannica yearbook of science and the future, 1971 |
| 260 | 0 | ▼a Chicago : ▼b Encyclopaedia Britannica, Inc., ▼c 1971 |
| 300 | ▼a 448 p. : ▼b ill. ; ▼c 29 cm |