found: His Inflatie ... 1978:t.p. (B. M. Balk) p. 3 (Drs.)
found: Industrial price, quantity, and productivity indices, 1998:CIP t.p. (Bert M. Balk; Statistics Netherlands) pub. info. (Dept. of Statistical Methods; Voorburg)
found: Phone call to C.Ford, Kluwer, 06-23-98(Bert M. Balk, B.M. Balk, is the also editor of Christian philosophy at the close ... c1995)
found: Price and quantity index numbers, 2008:ECIP t.p. (Bert M. Balk) data view (b. Oct. 20, 1947)
found: E-mail recd. from author, 18 Nov. 1998(Berend Martinus (Bert M.) Balk, born 20 Oct. 1947, also co-editor of Christian philosophy at the close of the twentieth century)