An history and development Howell, Benjamin F. (Benjamin Franklin) 1917- creator text Cambridge New York Cambridge University Press 1990 monographic viii, 193 p. : ill. ; 24 cm. Benjamin F. Howell, Jr. Includes bibliographical references (p. [153]-184) and index. Seismology Geology Research QE534.2 .H68 1990 551.2/2 0521385717 90001551 http://www.loc.gov/catdir/description/cam024/90001551.html http://www.loc.gov/catdir/toc/cam028/90001551.html http://www.loc.gov/catdir/description/cam024/90001551.html http://www.loc.gov/catdir/toc/cam028/90001551.html UOEL 000 20170713105900.0 2467978