Wray, John Lee, 1925- Calcareous algae / John L. Wray - Amsterdam : Elsevier North-Holland, 1977 - xiv, 185 p. : ill. ; 25 cm. - Developments in palaeontology and stratigraphy ; 4 . Includes bibliographical references (p. 169-180) and index ISBN: 044441536X Subjects--Topical Terms: Algae, FossilRocks, Carbonate