TY  - GEN
AU  - Hoskins, B.J.
AU  - McIntyve, M.E.
AU  - Robertson, A.W.
TI  - On the use and significance of isentropic potential vorticity maps
KW  - PREVISAO NUMERICA
KW  - 551.509.313
KW  - med
KW  - fre
ER  -