000 002790000a22001090004500
008 160901b1958 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a620
_bC6
942 _cBK
245 _aConference on science and engineering purdue university sept. 9-12, 1957
260 _c1958
999 _c9029
_d9029