au.\*:("LAPWORTH PB")
Results 1 to 2 of 2
Selection :
A CASE FOR INTERNATIONAL AGRUMENT ABOUT RUBY.OUGHTON JH; LAPWORTH PB.1970; AUSTRAL. GEMMOLOGIST; AUS; 1970(11), VOL. 10, NUM. 0012, P. 10 A 14Miscellaneous
DIAMONDS AND DIAMOND GRADING = LES DIAMANTS ET LA CLASSIFICATION DES DIAMANTSLENZEN G; LAPWORTH PB TR.1983; ; GBR; SEVENOAKS: THE BUTTERWORTH GROUP; DA. 1983; 258 P.; ISBN 0-408-00547-5; D'ALLEMAND EN ANGLAIS; 28 TAB. ; ILL./ESQUISSE/TABL.;[; DEU; KIRSCHWEILER: E. LENZEN; DA. 1979]Book
