Siesser, W. G. (1980): Calcareous nannofossils; Legs 51 and 52 of the Deep Sea Drilling Project. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Donnelly, T. W., Francheteau, J., Bleil, U., Borella, P. E., Gartner, S., Juteau, T., Kelts, K., Orr, W. N., Quisefit, J. P., Rusinov, V., Salisbury, M., Sinton, J. M., Smith, B. M., Swift, S. A., Ui, T., Bryan, W. B., Robinson, P. T., Bollinger, C., Byerly, G., Emmermann, R., Hamano, Y., Levi, S., Miles, G. A., Pertsev, N., Ricou, L. E., Siesser, W. G., Stephen, R. A., Swanson, D. A., White, S., Flower, M. F. J., Salisbury, M., Bohrer, D., Hobart, M., Johnson, D., Mathez, E., Mevel, C., Pritchard, R. G., Puchelt, H., Rigotti, P. A., Staudigel, H., Powell, R. (editor), Laughter, F. (editor), Legs 51, 52, 53, Part 2 of the cruises of the drilling vessel Glomar Challenger, San Juan, Puerto Rico to San Juan, Puerto Rico, November 1976-April 1977, Vol. 51, 52, 53 (Part 2), 823-845, georefid:1980-057933