Hedley RH (1963). “Cement and iron in the arenaceious foraminifera”. Micropaleontology (The Micropaleontology Project, Inc.) 9 (4): 433–441. doi:10.2307/1484505. JSTOR1484505.
Hedley RH (1963). “Cement and iron in the arenaceious foraminifera”. Micropaleontology (The Micropaleontology Project, Inc.) 9 (4): 433–441. doi:10.2307/1484505. JSTOR1484505.