000 00716nam a2200217 i 4500
001 184937
003 ES-MaACL
005 20230906222318.0
008 160219s1973 xxkafo |||| | eng d
080 _a671.15
080 _a549.091
100 1 _aWebster, Robert.
_9158831
245 1 0 _aPractical gemmology
_b: a study of the identification of gem-stones, pearls, and ornamental minerals /
_cby Robert Webster.
250 _a5th ed.
260 _aLondon :
_bN.A.G. Press,
_c1973.
300 _a209 p., [4] p. de lám. :
_bil. ;
_c19 cm.
500 _aÍndice.
650 0 4 _aPiedras preciosas.
_915997
650 4 _aGemas.
_9140240
852 _aES-MaACL
_jL-30212
_z- enc. tela
_z. - Donat. Miguel A. Velasco
999 _c184937
_d184937