American Carbon Society PennsylvaniaStateUniversity,Biennial conference on carbon.Biennial conference on carbon (14th : 1979 : Pennsylvania State University ).Extended abstracts and program,1979.
American Society for Testing and Materials.1976 annual book of ASTM standards．v.17，refracteries, glass, & other ceramic materials ：manufactured carbon & graphite products.ATSM,1976.
American Carbon Society.Extended abstracts and program (15th : 1981 : Philadelphia. Pennsylvania)：15th Biennial Conference on Carbon, June 22-23, 1981.,.
