Society of Aerospace Material & Process Engineers,National SAMPE symp.& exhibition.National SAMPE symp. & exhibition(15th : 1969)：Materials and processes for the 70`s.[s. n.],1969.
Society of Aerospace Material & Process Engineers,National SAMPE symp.& Exhibition.National SAMPE symp. exhibition(15th : 1969)：Materials and processes for the 70`s.[s. n.],1969.
Society of Aerospace Material & Process Engineers,National SAMPE symp. & exhibition.National SAMPE symp. & exhibition(15th : 1969)：Materials and processes for the 70`s.[s. n.],1969.
Society of Aerospace Material & Process Engineers,National SAMPE symp. & exhibition.National SAMPE symp. & exhibition(15th : 1969)：Materials and processes for the 70`s.[s. n.],1969.
