TY  - BOOK
AU  - Foster,Phillips Wayne
TI  - Introducción a la ciencia ambiental
PY  - 1975///
CY  - Buenos Aires
PB  - El Ateneo
KW  - Environmental protection
KW  - Programmed instructor
KW  - Local
KW  - Pollution
KW  - Ecology
KW  - Programmed instruction
N1  - Translation of : Programmed learning aid for introduction to environmental science
ER  -