1 FELDMAN, Leonard FM multiplexing for stereo / Leonard Feldman. -Third edition, second printing Indianapolos ; Kansas City ; New York : Howard W. Sams and CO, 1973. - 621.3 FELDM fm
2 HAFLER, David Modernize Your Williamson / David Hafler Philadelphia : Dyna Company, 1956. - 621.38 HAFLE mod
3 AMPLIFIER builder’s guide Amplifier Builder’s Guide / Editors of Radio Craft. -Third printing-October 1947 New York : RADCRAFT Publications, 1947. - 621.38 AMPLI bui
4 JELAKOVIĆ, Tihomil Negativna reakcija u tonfrekventnoj tehnici / Ing. Tihomil Jelaković. - Zagreb : Radiostanica Zagreb, 1957. - 621.38 JELAK neg
5 JELAKOVIĆ, Tihomil Magnetsko snimanje zvuka / Dr. ing. Tihomil Jelaković. - Zagreb : Tehnička knjiga, 1959. - 621.3 JELAK MAG
6 JELAKOVIĆ, Tihomil Transformatori i prigušnice / prof. dr. Tihomil Jelaković. -Drugo prošireno i dopunjeno izdanje Zagreb : Tehnička Knjiga, 1960. - 621.38 JELAK tra
7 DUAL 1225 Dual 1224 Automatikspieler Bedienungsanleitung = Dual 1224 Automatic turntable Operating instructions = Dual 1224 Tourne-disques automatique Notice d’emploi = Automatische platenspieler Gebruiksaanwijzing. - St- Georgen : Dual Gebrueder Steidinger, [s.a.]. - 621.3 DUAL 1224
8 PIONEER SA-5500II Pioneer SA-5500II operating instructions. - Tokyo : PIONEER Electronic Corporation, 1977. - 631.3 PIONE sa5500
9 PORTABLE motion picture sound reproducer Portable motion picture sound reproducer KUUP-56. - Leningrad : Leningrad Optical-Mechanical Enterprises, [s.a.]. - 621.3 RERPO kuup-56
10 PREAMPLIFIER 7Y-17 Preamplifier 7Y-17 : instructions for use. - Leningrad : Leningrad Optical-Mechanical Enterprises, [s.a.]. - 621.3 PREAM 7y17
11 RODENHUIS, E Electronic valves in A. F. amplifiers. - Eindhoven : Philips, 1954. -(Phillips’ Technical Library. Popular series) 621.3RODEN ele
13 DATEN und schaltungen Daten und schaltungen moderner Empfänger und Kraftverstärkerröhren I. - Eindhoven : Philips, 1940. -(Philips Bücherreihe über Elektronenröhren. 2. Band) 621 DATEN
15 WILLIAMSON, D.T.N The Williamson Amplifier : A Collection of Articles, reprinted from ˝Wireless World,˝ on ˝Design for a High-quality Amplifier˝ / D. T. N. Williamson. - London : Iliffe and Sons, LTD., 1953. - 621.38 WILLIA amp
16 TELEFUNKEN Roehren Telefunken Roehren von A bis Z 1930-1931 / Telefunken. - [S.l.], Telefunken, 1931139 str. : illustr. ; 24 cm 621 TELEF AZ
17 RODENHUIS, E HI-FI Versterker Schakelingen / E. Rodenhuis. - Eindhoven : Philips, 1965. -(Phillips’ Technical Library. Popular series) 621.3RODEN hif
18 HEIMKINO-BAUVORSCHLAGE Visaton Heimkino-Bauvorschlage / Visaton. - Haan : VISATON, 2000. - 621.38 HEIMKINO-bauforschlage
19 HIFI-BAUVORSCHLAGE I Visaton HiFi-Bauvorschlage I / Visaton. - Haan : VISATON, 1996. - 621.38 HIFI-bauforschlage I
20 HIFI-BAUVORSCHLAGE I Visaton HiFi-Bauvorschlage II inkl. Surround-Vorschläge / Visaton. - Haan : VISATON, 1997. - 621.38 HIFI-bauforschlage II
21 RADIO Niederfrequenz Transformatoren ˝Radio˝ Niederfrequenz-Transformatoren fuer Gegentakt (Push-pull) Schaltungen / . - Leipzig : Dr. Dietz und Ritter G.m.b.h, 1925. - 621.38 KOERT tra
22 PRIRODA popularni časopis hrvatskog prirodoslovnog društva Priroda : popularni časopis hrvatskog prirodoslovnog društva. - Zagreb : Hrv. Prirodoslovno Društvo, 1911. - Priroda
23 ELEKTROTEHNIČAR Elektrotehničar : časopis za elektro-radio, TV i kino-tehniku Zagreb : Tehnička knjiga, 1948 05 ELEKTROTEHNIČAR
24 RADIO Radio : časopis za amatere i tehničare Zagreb : Radioamaterski klub Zagreb : 1945-1946. - RADIO
25 MLADI elektrotehničar Mladi ELEKTROTEHNIČAR : Časopis mladih elektrotehničara Jugoslavije / glavni urednik Vladimir Poluljahov. - Zagreb : Narodna srednjoškolska omladina Savezne srednje tehničke škole, 1947. - 05 MLADIE
27 ŽIDAN, Alfred Priručnik za popravak radio-prijemnika : Sheme spajanja i servisni podaci Knjiga prva / Alfred Židan. -drugo dotjerano izdanje Zagreb : Tehnička knjiga, 1962. - 621.38 ŽIDAN ele2