| LEADER | 00648nam a22001931a 4500 | ||
|---|---|---|---|
| 001 | UNA01000057586 | ||
| 005 | 20120328191633.0 | ||
| 008 | 080728s1994 000 0 eng d | ||
| 040 | |a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica | ||
| 082 | 0 | 4 | |a 500 |b P865m |
| 100 | 1 | |a Pottenger, F.M. | |
| 245 | 1 | 0 | |a Matter and energy in the biosphere. fast.2 Foundations approaches in science teaching / |c F.M. Pottenger ; D.B. Young & E.B. Klemm |
| 250 | |a 2 ed. | ||
| 260 | |a Honolulu : |b Curriculum Research & Development Group , |c 1994 | ||
| 300 | |a 317 p. | ||
| 650 | 0 | 4 | |a CIENCIA |
| 650 | 0 | 4 | |a ENSEÑANZA |
| 700 | 1 | |a Klemm, E.B. | |
| 700 | 1 | |a Young, D.B. | |