00542nam a2200157Ia 4500 25070 BIBL 20210210062644.0 911206|1975||||ag a |||||||00010|spa|d Foster, Phillips Wayne Local 98206 Introducción a la ciencia ambiental Phillips Wayne Foster ; traducción del Carmen Gil Buenos Aires El Ateneo 1975 186 p. ill. Translation of : Programmed learning aid for introduction to environmental science Ecology 89958 18024 18024 0 0 0 301_310000000000000_F756P_E 0 evl 98096 10 10 1 2016-05-27 35276 0 301.31 F756p E 80000000287618 2016-05-27 00:00:00 r:25070 z:NCC:D 6