TY  - BOOK
AU  - Hales, S. E. G.
AU  - Mayer, C. J.
TI  - 6 C survey of radio sources IV. the zone 67 degree < delta < 82 degree, Oh < alpha < 24 h: Part 4 to 6  
PY  - 0000///S. N
CY  - Cambridge
PB  - University of Cambridge
KW  - Galaxies
KW  - Catalogs
ER  -