000 00333pam a2200133a 44500
082 _a025.3
_bH33s
100 _aHaykin, David Judson
245 1 _aSUBJECT HEADINGS
_cA PRACTICAL GUIDE
260 _aWashington
_bU. S. Govt. Print. Off.
_c1951
300 _a140
650 _aSubject Headings
964 _gCIRC
997 _a76975 C
999 _c426183
_d426183