000 00474nam a2200169 4500
001 38203/84
005 20130515014630.0
008 111112s9999 xx 000 0 und d
020 _ahard cover
082 0 0 _a621. 384 12 shi
100 1 _a"shields, john p. "
_914375
245 1 0 _ahow to build proximity detectors and metal locators:
_b/
_c john.p. shields
250 _a1 ed.
260 _auk :
_b foulsham-sam
_c1966.
300 _a", 128p.;
_c22 cm."
942 _2lcc
_cBK
999 _c23749
_d23749