By Christophe Galfard. Pocket jeunesse 2009 . 1 vol. (322 p.-[16] p. de pl.) 23 cm. 9782266187565

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=5712 ISBN 9782266187565 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=11639

By Christophe Galfard. Pocket jeunesse 2009 . 1 vol. (322 p.-[16] p. de pl.) 23 cm. 9782266187565

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=11639 ISBN 9782266176453 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=16679

By Lucy & Stephen Hawking. Pocket jeunesse 2007 . 1 vol. (278 p.-[32] p. de pl.) , La couv. porte en plus : "les dernières découvertes sur les trous noirs" 23 cm. 9782266176453

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=16679 ISBN 9782266243032 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=27446

By Christophe Galfard. Pocket jeunesse 2013 . 1 vol. (399 p.) 9782266243032

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=27446 ISBN 9782266187572 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=28732

By Christophe Galfard. PKJ 2012 . 1 vol. (402 p.-[16] p. de pl.) 23 cm. 9782266187572

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=28732 ISBN 9782081346512 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=34648

By Christophe Galfard. Flammarion 2015 . 1 vol. (432 p.) 9782081346512

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=34648 ISBN 9782266243032 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=39215

By Christophe Galfard. PKJ 2013 . 1 vol. (399 p.-[16] p. de pl.) 23 cm. 9782266243032

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=39215 ISBN 9782081408517 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=45033

By Christophe Galfard. Flammarion 2017 . 1 vol. (138 p.) 9782081408517

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=45033 ISBN 9782266219181 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=46305

By Lucy & Stephen Hawking. Pocket jeunesse 2011 . 1 vol. (278 p.-[32] p. de pl.) 18 cm. 9782266219181

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=46305 ISBN 9782081404342 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=47232

By Stephen Hawking Christophe Galfard. Flammarion 2017 . 1 vol. (278 p.) 9782081404342

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=47232 ISBN 9782266242691 | 9782266187572 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=61132

By Christophe Galfard. PKJ 2012 . 1 vol. (402 p.-[16] p. de pl.) 23 cm. 9782266242691 | 9782266187572

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=61132 ISBN 9782081422209 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=63070

By Christophe Galfard. Flammarion 2017 . 1 vol. (442 p.-XVI p. de pl.) 24 cm. 9782081422209

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=63070