1.
 |  | Title: Proceedings of the 2nd European Workshop on Periodontology by Niklaus P. Lang, Thorkild Karring, Jan Lindhe ISBN: 3876524237 Publisher: Quintessence Pub Co Pub. Date: January, 1997 List Price: $68.00 Amazon.com Price: $68.00 |
2.
 |  | Title: Proceedings of the European Workshop on Mechanical Plaque Control: Status of the Art and Science of Dental Plaque Control by Niklaus P. Lang, Rolf Attstrom, Harald Loe ISBN: 3876524288 Publisher: Quintessence Pub Co Pub. Date: 15 December, 1998 List Price: $42.80 Amazon.com Price: $42.80 |
3.
 |  | Title: Couronnes et bridges : Plan de traitement synoptique by Niklaus P Lang, Béatrice E. Siegrist Guldener ISBN: 225710188X Publisher: Flammarion Médecine-Sciences Pub. Date: 19 June, 1998
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4.
 |  | Title: Proceedings of the 3rd European Workshop on Periodontology: Implant Dentistry by Niklaus P. Lang, Jan Lindhe, Thorkild Karring ISBN: 3876523060 Publisher: Quintessence Pub Co Pub. Date: 15 December, 1999 List Price: $68.00 Amazon.com Price: $68.00 |
5.
 |  | Title: Periodontologia Clinica E Implantologia Odontologica by Thorkild Karring, Niklaus P. Lang, Jan Lindhe ISBN: 8479034653 Publisher: Panamericana Editorial Pub. Date: September, 2003 List Price: $138.00 Amazon.com Price: $138.00 |
6.
 |  | Title: Wax-Up for Functional Occlusion: According to the Principles of Freedom in Centric by Niklaus P. Lang, Alfred Gipp, Alex Grendelmeier ISBN: 0867152176 Publisher: Quintessence Pub Co Pub. Date: May, 1989 List Price: $24.00 Amazon.com Price: $24.00 |
7.
 |  | Title: Farbatlanten der Zahnmedizin, Bd.4, Kronenprothetik und Brückenprothetik by Niklaus P. Lang, Beatrice E. Siegrist Guldener ISBN: 3137108012 Publisher: Thieme, Stuttgart Pub. Date: 01 May, 1993
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8.
 |  | Title: Proceedings of the 1st European Workshop on Periodontology: Charter House at Ittingen Thurgau, Switzerland February 1-4, 1993 by Niklaus P. Lang, Thorkild Karring ISBN: 1850970351 Publisher: Quintessence Pub Co Pub. Date: February, 1997 List Price: $58.50 Amazon.com Price: $58.50 |