TY  - SER
ED  - Universidade Federal de Santa Maria.
TI  - Ci�encia e natura: revista do Centro de Ci�encias Naturais e Exatas 
AV  - Q4 .C426
PY  - 1979///]-
CY  - Santa Maria, RS
PB  - Centro Naturais e Exatas
KW  - Science
KW  - Periodicals
KW  - fast
KW  - Electronic journals
N1  - License restrictions may limit access
UR  - https://libproxy.firstcity.edu.my:8443/login?url=https://search.proquest.com/publication/2034996
UR  - https://libproxy.firstcity.edu.my:8443/login?url=https://search.proquest.com/publication/2034996
ER  -