00394nam a2200145   450000100060000000300030000600500170000900800410002603500190006703500180008605000210010410000210012524500730014626000290021933755UR20220427191432.0061105|||||||||||||||||||||||||||||||| d  a(janium) 33744  a(janium)33742 4aHF6141b.S7 19641 aStewart, John B.10aRepetitive advertising in newspapersb : a study of two new products  bHarvard Universityc1964