000 00805nam a22002174a 4500
001 BCU-13528
003 AR-ReUNN
005 20240529164509.0
008 240315s1968 xxu eng d
040 _aAR-ReUNN
_bspa
_cAR-ReUNN
_eaacr2
041 0 _aeng
044 _axxu
100 1 _aLotspeich, William
_917431
245 1 0 _aDiscoveries in science :
_bhow they are made
260 _aNew York :
_bFawcett Publications,
_c1968.
300 _a124 páginas :
_b2 h.; 18 cm.
440 0 _aLadder : 2000 words ;
_vL-52
_916801
500 _aThis Ladder Edition has been especially prepared for the beginning reader.This edition is for readers for whom English is a second language. It can be anyone whos has learned 2,000 words of english.
650 4 _aCiencia
653 _aTeoria De Las Ciencias
999 _c49362
_d49362