000 00323nam a2200121 a 4500
005 20240602103052.0
008 110314s19uu xx 00 eng d
100 1 0 _aCampbell, John W.
245 1 0 _aAnalog 4 /
_cJohn W. Campbell.
260 0 _aLondon :
_bDennis Dobson,
_c1967.
300 _axiv, 224 p. ;
_c21 cm.
942 _2ddc
999 _c69741
_d69741