URBANEK, ADAM - The problem of graptolite affinities in the light of ultrastructural studies on peridermal derivatives in pterobranchs.1976. Acta Palaeontologica Polonica 21 (1); pp. 3-36, 7 fig. 7 plts. h.t. Orig. extract, stapled. EUR 6.00 [Appr.: US$ 6.44 | £UK 5.25 | JP¥ 1019] Book number 43992We regret that this particular copy is temporarily not available. You may try to find another copy by using the search function. Apologies for the inconvenience! |
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