TY  - BOOK
AU  - Kikhailov, A. V and Radin, A. N
TI  - Some data on researches on the strength of concrete by ultrasonic method
PY  - 1956///
UR  - http://14.139.222.13:80/cgi-bin/koha/opac-detail.pl?biblionumber=6153
ER  -