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MARC
| LEADER | 00000nam a2900000 4500 | ||
|---|---|---|---|
| 001 | 000021407 | ||
| 005 | 20061219222200.0 | ||
| 008 | 001011s1974 a 000 spa d | ||
| 050 | 4 | |a QH541 |b M3 | |
| 090 | |a QH541 |b M3 | ||
| 100 | 1 | |a Margalef, Ramón | |
| 245 | 1 | |a Ecología | |
| 260 | |a Barcelona : |b Omega, |c 1974 | ||
| 300 | |a 951 p. : |b il. | ||
| 650 | 4 | |a Ecología | |
| 905 | |a LIBROS | ||
| 949 | |a Biblioteca UAM Iztapalapa |b Colección General |c QH541 M3 | ||