Stradner, Herbert; Allram, Franz (1982): Notes on an enigmatic siliceous cyst, Middle America Trench, Deep Sea Drilling Project Hole 490. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Lee, Mariana (editor), Watkins, Joel S., Moore, Casey J., Bachman, Steven B., Beghtel, Floyd, Butt, Arif, Didyk, Borys M., Dmitriev, Yuri I., Leggett, Jeremy K., Lundberg, Neil F., McMillen, Kenneth J., Niitsuma, Nobuaki, Rodriguez-Torres, Rafael, Shephard, Les E., Shipley, Thomas H., Stephan, Jean-Francois, Stradner, Herbert, Leg 66 of the cruises of the drilling vessel Glomar Challenger; Mazatlan, Mexico to Manzanillo, Mexico; March-May, 1979, 66, 641-642, georefid:1982-039612