TY  - BOOK
AU  - J W Lefforge; J W Copley
TI  - Scientific Report no.1
PY  - 1957///
CY  - US.Dept. of Commerce
PB  - USA
UR  - http://14.139.222.13:80/cgi-bin/koha/opac-detail.pl?biblionumber=2760
ER  -