TY - RPRT TI - Recent biogenic phosphorite: Concretions in mollusk kidneys AU - L. J. Doyle AU - N.J. Blake AU - C.C. Woo AU - P. Yevich PY - 1978 DO - 10.1126/science.199.4336.1431 UR - https://pubs.usgs.gov/publication/70012565 ID - 70012565 ER -