|
|
|
|
| LEADER |
01111nam a2200265 u 4500 |
| 001 |
000555549 |
| 005 |
20050624111016.0 |
| 008 |
940113s1970 xxu ||||| spa |
| 035 |
|
|
|a 23240
|
| 040 |
|
|
|a Sistema de Bibliotecas de la Universidad de Costa Rica
|
| 041 |
0 |
|
|a spa
|
| 082 |
0 |
|
|a 575.016.2
|b N285n
|2 00
|
| 100 |
1 |
|
|a Walker, John
|d n. 1906
|e Productor/a ó Realizador/a
|4 pro
|
| 245 |
1 |
0 |
|a Problems of conservation, our natural resources /
|c producer John Walker ; editor Jerry Olk. --
|
| 260 |
|
|
|a Chicago, III. :
|b Encyclopaedia Britannica Educational Corp,
|c c1970.
|
| 300 |
|
|
|a 1 videocasete (VHS) (11 min.) :, sonoro color ;
|c 1/2 plg.
|
| 500 |
|
|
|a En espanol.
|
| 500 |
|
|
|a En: Natural selection. -- Chicago, Ill. : Enciclopaedia Britannica Educational Corporation, c1983.
|
| 520 |
3 |
|
|a Sumario: Muestra la importancia de los recursos naturales y su conservacion.
|
| 650 |
|
|
|a CONSERVACION DE LOS RECURSOS NATURALES
|
| 700 |
1 |
|
|a Olk, Jerry
|e Editor/a
|4 edt
|
| 773 |
0 |
|
|7 nnam
|t Natural selection
|
| 912 |
|
|
|a 24-JUN-2005 - VARGAS ZUÑIGA, SUSAN
|
| 949 |
|
|
|a LA-LA b LA
|
| 916 |
|
|
|a Registros del LS-2000
|