https://rics.koha.openfifth.net/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Bull%2C%20Gregory%22&sort_by=pubdate_dsc&format=rss 3 0 50 ISBN:0415160103 https://rics.koha.openfifth.net/cgi-bin/koha/opac-detail.pl?biblionumber=100131 By Balchin, P..
London Routledge 1999 .
xi,287p. : ill.,maps ; 24cm. 0415160103

]]> https://rics.koha.openfifth.net/cgi-bin/koha/opac-detail.pl?biblionumber=100131 ISBN:0333629035 https://rics.koha.openfifth.net/cgi-bin/koha/opac-detail.pl?biblionumber=88792 By Balchin, P..
Basingstoke Macmillan 1995 .
xv,390p. ; 24cm. 0333629035

]]> https://rics.koha.openfifth.net/cgi-bin/koha/opac-detail.pl?biblionumber=88792 ISBN:0333463781 https://rics.koha.openfifth.net/cgi-bin/koha/opac-detail.pl?biblionumber=91839 By Balchin, P..
Basingstoke Macmillan Education 1988 .
xv,344p. ; 24cm. 0333463781

]]> https://rics.koha.openfifth.net/cgi-bin/koha/opac-detail.pl?biblionumber=91839