000
00313nam a2200121Ia 4500
008
220216s9999 xx 000 0 und d
100
_a
Penfold A E
245
0
_a
Gutta percha: Its characteristics and manufacture
260
_b
IRI Transactions
_c
1933
300
_a
407-417
650
_a
Gutta percha
942
_c
JS
999
_c
60209
_d
60209