Markle, S.M. Good frames and bad:a grammar of frame writing - 2nd - John Willey & Sons New York 1964 - xiv,308p. - Frame writing Programming principles Adaptive programming ISBN: 471570133 Nat. Bib. No.: 3614 Nat. Bib. Agency Control No.: 37MAR Subjects--Topical Terms: Education Universal Decimal Class. No.: 37 1