000062915 000__ 00839cam\a2200253Wi\4500 000062915 001__ 62915 000062915 005__ 20210513023159.0 000062915 008__ 750822s1962\\\\nyu\\\\\\b\\\\00010\eng\d 000062915 035__ $$a(OCoLC)ocm01563095 000062915 035__ $$9AAG4557SI 000062915 035__ $$a62915 000062915 040__ $$aGSU$$cGSU$$dOCL$$dm.c.$$dISE 000062915 049__ $$aISEA 000062915 090__ $$aQ11$$b.N5 v. 93, art. 17 000062915 099__ $$aQ11 .N5 v. 93 no. 17 000062915 1001_ $$aPorter, Paul B. 000062915 24512 $$aA general gradient theory of spatial vision /$$cby Paul B. Porter. 000062915 260__ $$aNew York :$$bNew York Academy of Sciences,$$c1962. 000062915 300__ $$ap. 753-759 :$$bill. ;$$c23 cm. 000062915 440_0 $$aAnnals of the New York Academy of Sciences ;$$vv. 93, art. 17 000062915 504__ $$aBibliography: p. 759. 000062915 650_0 $$aVisual discrimination. 000062915 650_0 $$aSpace perception. 000062915 830_0 $$aAnnals of the New York Academy of Sciences ;$$vv. 93, art. 17. 000062915 85200 $$bgen$$hQ11$$i.N5$$iv.93$$ino.17 000062915 909CO $$ooai:library.usi.edu:62915$$pGLOBAL_SET 000062915 980__ $$aBIB 000062915 980__ $$aBOOK