Langer, R. H. M. (Reinhart Hugo Michael) 1921- creator Hill, G. D. text bibliography enk New York Cambridge University Press 1991 1981 2nd ed. monographic eng

print

xiii, 387 p. : ill. ; 24 cm. R.H.M. Langer and G.D. Hill Includes bibliographical references and indexes. Crops 631 LAA 1991 0521405459 http://www.loc.gov/catdir/description/cam021/91002246.html http://www.loc.gov/catdir/toc/cam021/91002246.html http://www.loc.gov/catdir/description/cam021/91002246.html http://www.loc.gov/catdir/toc/cam021/91002246.html DLC 170322 20211209081618.0 67048 eng