Importante! Sobre el catálogo
| LDR | ·····cam##22·····#a#4500 |
| 001 | 000007 |
| 005 | 20110209112530.0 |
| 008 | 740521s1974####inua###f######001#0#eng## |
| 245 | 10 | $a TTL cookbook / $c by Don Lancaster. |
| 250 | ## | $a 1st ed. |
| 260 | ## | $a Indianapolis : $b H. W. Sams, $c c1974. |
| 300 | ## | $a 335 p. : $b il. ; $c 22 cm. |
| 020 | ## | $a 0672210355 |
| 100 | 1# | $a Lancaster, Don. |
| 082 | 00 | $a 621.381/73 |
| 084 | ## | $a 2220 $2 z |
| 650 | #0 | $a Transistor-transistor logic circuits. |
| 653 | ## | $a Circuitos TTL. |
| 653 | ## | $a Circuitos integrados. |
| 653 | ## | $a RTL. |
| 010 | ## | $a ###73090295# |
| 040 | ## | $a DLC $c DLC $d DLC |
| 050 | 00 | $a TK7868.L6 $b L36 |