| LDR | ·····nam##22·····5##4500 |
| 001 | 000057 |
| 005 | 20101015162249.0 |
| 008 | 000000s199u####xx#####f#t###|0||#0#spa#d |
| 245 | 10 | $a Cálculo de un filtro pasa banda tipo Butterworth / $c Daniel O. Perilli. |
| 260 | ## | $a Parque Pereyra Iraola : $b Instituto Argentino de Radioastronomía, $c [199-?]. |
| 490 | 0# | $a Informes internos del IAR ; $v no. 69 |
| 100 | 1# | $a Perilli, D. O. $q (Daniel Oscar) |
| 653 | ## | $a Informes internos. |
| 653 | ## | $a Filtros pasabanda. |
| 040 | ## | $a AR-BaBIR $b spa |
| 856 | 41 | $u http://www.iar.unlp.edu.ar/biblio/htdocs/artic/infor/info%5F069.pdf $y PDF |