00708nas a2200205 4500 PUCPR 20260915105335.0 260915d19981999pr |||s|r|||| 00| 0 spa d PUCPR spa rda PR WRRI newsletter. Puerto Rico Water Resources Research Institute newsletter. Mayagüez, P.R. : Puerto Rico Water Resources Research Institute, 1998-1999. volumes ; 28 cm. txt rdamedia n rdacarrier nc Water resources 187436 Research. Universidad de Puerto Rico 183086 Puerto Rico Water Resources Research Institute. ddc 22 306959 306959 0 0 ddc 0 10 10 B 2026-09-15 Vol. 9, no. 1 0 2026-09-15 10:54:41 22 January - March 1999 0 0 ddc 0 10 10 B 2026-09-15 Vol. 8, no. 3 0 2026-09-15 12:03:08 22 July - September 1998 0 0 ddc 0 10 10 B 2026-09-15 Vol. 8, no. 4 0 2026-09-15 12:03:00 22 October - December 1998