Secrets of petrified plants: fascination from millions of years
Keyword(s):
1968 ◽
Vol 55
(3)
◽
pp. 306-313
◽
1967 ◽
Vol 54
(8)
◽
pp. 984-992
◽
Keyword(s):
1967 ◽
Vol 80
(952)
◽
pp. 383-393
◽
1939 ◽
Vol 13
(4)
◽
pp. 436-441
1967 ◽
Vol 80
(954)
◽
pp. 487-497
◽