TY  - GEN
TY  - GEN
T1  - Crystals
A1  - Mercer, Ian F.
LA  - eng
PP  - London
PB  - Natural history museum
YR  - 1994
UL  - https://kansalliskirjasto.finna.fi/Record/helka.9919840923506253
SN  - 0-11-310013-2
KW  - kiteet.
KW  - kristaller.
ER  -