https://opac.ru.ac.bd/cgi-bin/koha/opac-search.pl?q=ccl=copydate%3A%22c1951%20%5BPrinting%201956%5D.%22&sort_by=relevance&format=rss 2 0 100 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=9583 By Sawyer, Ralph A..
New York : Prentice-Hall, 1951 .
x, 358 p. : 24 cm..

]]> Place hold on Experimental spectroscopy /

]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=9583 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=51167 By Conant, James Bryant.
[New York] : New American Library, 1951 .
144 p.: 18 cm..

]]> Place hold on On understanding science :

]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=51167