000 00319nam a2200121Ia 4500
008 220201s1975 xx 000 0 eng d
082 _bSEL
100 _aSelleck, Jack
245 0 _aPrinciples of design balance and unity Contrast
260 _aWorcester U.S.A.
_bDavis publication
_c1975
300 _a80
942 _2ddc
999 _c22484
_d22484