Crystals and Crystal growing
Singer, Phylis
Crystals and Crystal growing - New York : Garden City Publ, 1960. - 320 p. : il. + 42 láms. ; 18 cm. - Science study series .
Crystals and Crystal growing - New York : Garden City Publ, 1960. - 320 p. : il. + 42 láms. ; 18 cm. - Science study series .