By Christian Authier. Rocher (Ed. du) 2002 . 71 p. 18 cm. 2268043339

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=1701 ISBN 9782234070202 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=14627

By Christian Authier. Stock 2012 . 1 vol. (250 p.) 22 cm. 9782234070202

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=14627 ISBN 9782234070202 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=18370

By Christian Authier. Stock 2012 . 1 vol. (250 p.) 22 cm. 9782234070202

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=18370 ISBN 9782234077331 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=31243

By Christian Authier . Stock 2014 . 1 vol. (170 p.) 9782234077331

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=31243 ISBN 9782081430891 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=51576

By Christian Authier. Flammarion 2018 . 1 vol. (272 p.) 9782081430891

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=51576 ISBN 9782081506145 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=72376

By Christian Authier. Flammarion 2021 . 1 vol. (274 p.) 21 cm. 9782081506145

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=72376