00482cam a2200169Ma 4500001001000000003000600010005001700016008004100033035002100074040003200095082001200127100005200139245003500191260003400226300002100260500003100281220169186OCoLC20210114161951.0770906s1962    nyu           000 1 eng d  a(OCoLC)220169186  aAU@bengcAU@dOCLCQdCIRBC04a813/.541 aSkinner, B. F.q(Burrhus Frederic),d1904-1990.10aWalden two /cby B.F. Skinner.  aNew York :bMacmillan,c1962.  a266 p. ;c20 cm.  aOriginally published 1948.