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01050nam a2200289 a 4500 |
| 008 |
050201s1997||||cr |||||||||||||||||spa|| |
| 020 |
0 |
|
|a 9968702080
|
| 041 |
0 |
|
|a spa
|
| 082 |
0 |
|
|a 507
|b B463e
|
| 100 |
0 |
|
|a Benavides Benavides, Ana Cristina
|
| 245 |
0 |
0 |
|a Educación ambiental :
|b manual Nø 1 para el maestro /
|c Ana Cristina Benavides Benavides ... [et al.]
|
| 260 |
|
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|a San José :
|b Universidad Nacional de Costa Rica,
|c 1997
|
| 300 |
|
|
|a 110 p.
|
| 650 |
|
|
|a Educación Ambiental
|
| 650 |
|
|
|a Medio Ambiente
|
| 592 |
|
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|a Las capas de la tierra
|
| 592 |
|
|
|a Rocas y minerales
|
| 592 |
|
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|a Ecología de un bosque tropical
|
| 592 |
|
|
|a La busqueda de las plantas
|
| 592 |
|
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|a La fabrica de alimentos
|
| 592 |
|
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|a Aguas contaminadas
|
| 592 |
|
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|a Los desechos de mi comunidad son valiosos
|
| 991 |
|
|
|a bcn_jaime
|
| 992 |
|
|
|a 22/02/2007
|
| 942 |
|
|
|c BK
|
| 999 |
|
|
|c 106693
|d 106693
|
| 952 |
|
|
|0 0
|1 0
|4 0
|6 507_000000000000000_B463E
|7 0
|8 CG
|9 188734
|a 19
|b 19
|c CG
|d 2012-08-15
|i 19100211
|l 1
|o 507 B463e
|p 19100211
|r 2013-05-30
|s 2013-05-29
|t 1
|w 2012-08-15
|y BK
|