Gibbard, P. L. (2010). Pollen profile SHOTTHAM, Shottisham, United Kingdom. PANGAEA.
Cita Chicago Style (17a ed.)Gibbard, Philip L. Pollen Profile SHOTTHAM, Shottisham, United Kingdom. PANGAEA, 2010.
Cita MLA (9a ed.)Gibbard, Philip L. Pollen Profile SHOTTHAM, Shottisham, United Kingdom. PANGAEA, 2010.
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