"lenk, john d. "
direct readout meters: / john.d. lenk - 1 ed. - uk : foulsham-sams 1967. - ", 144p.; 22 cm."
hard cover
TK7882 / .L4 1967
direct readout meters: / john.d. lenk - 1 ed. - uk : foulsham-sams 1967. - ", 144p.; 22 cm."
hard cover
TK7882 / .L4 1967