de Wever, Patrick (1981): Spyrids, artostrobiids, and Cretaceous radiolarians from the western Pacific, Deep Sea Drilling Project Leg 61. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Larson, Roger L., Schlanger, Seymour O., Batiza, Rodey, Boyce, Robert E., Cepek, Pavel, de Wever, Patrick, Fujii, Naoyuki, Jenkyns, Hugh C., Koporulin, Vladimir, Moberly, Ralph, Silva, Isabella Premoli, Rea, David, Riech, Volkher, Sayer, William O., Seifert, Karl E., Shcheka, Sergey, Sliter, William V., Steiner, Maureen B., Thiede, Joern, Thierstein, Hans R., Tokuyama, Hidekazu, Vallier, Tracy, Windom, Ken, Shambach, James (editor), Stout, Larry N. (editor), Leg 61 of the cruises of the drilling vessel Glomar Challenger; Apra, Guam to Majuro Atoll, Marshall Islands; May-July 1978, 61, 507-520, georefid:1982-008773