000
00285nam a2200097Ia 4500
100
_a
Ekdale A A
245
_a
Ichnology : Use of Trace Fossils in Sedimentology & Stratigraphy
260
_b
Soc Eco Paleontology & Minerology, Oklahoma
082
_a
H5/N84/B15946
300
_a
pp 317; 28*21
999
_c
29726
_d
29726