au.\*:("WALTON WR")
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ANCIENT COASTAL LAGOONSWALTON WR; SMITH WT.sdIN: LAGUNAS COSTERAS, SIMP. INT. LAGUNAS COSTERAS UNAM-UNESCO MEXICO, D.F., 1967; MEXICO UNIV. NAC. AUTON. MEXICO ,1969, P. 237 A 248Miscellaneous
