"hurbut, cornelius s. "
gemology: / cornelius.s. hurbut - 1 ed. - usa : wiley 1979. - "xii, 243p.; 24 cm."
includes bibliography
0-471-42224-x hard cover
precious stones
QE392 / .H87 1979
gemology: / cornelius.s. hurbut - 1 ed. - usa : wiley 1979. - "xii, 243p.; 24 cm."
includes bibliography
0-471-42224-x hard cover
precious stones
QE392 / .H87 1979