Borko, H. Bernier, C.L. Abstracting concepts and methods - Academic Press New York 1975 - x,250 - Abstracting procedurs Abstracting services Automatic abstracting = Borko, H. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: 2647 Nat. Bib. Agency Control No.: 048 BOR Subjects--Topical Terms: Documentation Universal Decimal Class. No.: 048