Talvez deva tentar algumas variações de ortografia:
method coupled » method compared (Expandir a Pesquisa)
coupled lines » coupled line (Expandir a Pesquisa), coupled level (Expandir a Pesquisa), coupled loss (Expandir a Pesquisa)
semino carlos » serrano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), emilio carlos (Expandir a Pesquisa)
collet jun » collet jean (Expandir a Pesquisa), collet j (Expandir a Pesquisa), collet jp (Expandir a Pesquisa)
15 method » 135 method (Expandir a Pesquisa), 15 methods (Expandir a Pesquisa), 05 method (Expandir a Pesquisa)
c collet » _ collet (Expandir a Pesquisa), c colley (Expandir a Pesquisa), l collet (Expandir a Pesquisa)
jun new » fun new (Expandir a Pesquisa), lun new (Expandir a Pesquisa), run new (Expandir a Pesquisa)
lines a » lines _ (Expandir a Pesquisa)
nacl » natl (Expandir a Pesquisa), nac (Expandir a Pesquisa), nucl (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (( j c collet jun new ) or ((( 15 method coupled lines a ) or ( 0.9 nacl semino carlos morales ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j c collet jun new ) OR ((( 15 method coupled lines a ) OR ( 0.9 nacl semino carlos morales )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j c collet jun new ) or ((( 15 method coupled lines a ) or ( 0.9 nacl semino carlos morales ))))*.