http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
various techniques and equipment are now available
4 unnumbered pages : illustrations ; 28 cm.
Tx Doc number: Z, TA300.7, En27t, number 5.
"7-78/10M Reprint"--Page [4] of July 1978 printing.
Prepared with the support of the U.S. Department of Energy (DOE) Grant No. EC-77-G-01-5095