机读格式显示(MARC)
- 000 00761cam a2200265 a 4500
- 008 770916s1954 enk ed 000 0 eng
- 040 __ |a DLC |c OC |d Uk |d DLC |d SDU
- 050 10 |a TK6544 |b .C3 1951
- 099 __ |a CALB0220110192236m
- 100 1_ |a Camm, F. J. |q (Frederick James), |d 1897-1959.
- 245 10 |a Practical wireless encyclopaedia : |b definitions, terms, units, principles, construction / |c by F. J. Camm.
- 260 __ |a London : |b G. Newnes, |c [1954]
- 300 __ |a xii, 360 p. : |b ill. ; |c 22 cm.