Phosphorites on the sea floor : origin, composition, and distribution / G.N. Baturin ; translated by Dorothy B. Vitaliano. Fosfority na dne okeanov. English Baturin, G. N. (Gleb Nikolaevich) Phosphate rock. Marine mineral resources. QE471.15.P48 B3713 1982 553.64 19 BAP Translation of: Fosfority na dne okeanov. Includes index. Bibliography: p. [297]-328. Amsterdam ; New York : Elsevier Scientific ; New York : c1981. c1981. 1982 Text x, 343 p. : eng engrus Developments in sedimentology ; 33