Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
beams compared » mems compared (Expandir a Pesquisa), bypass compared (Expandir a Pesquisa), blacks compared (Expandir a Pesquisa)
cost computer » joint computer (Expandir a Pesquisa), about computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
nare company » care company (Expandir a Pesquisa), name company (Expandir a Pesquisa), large company (Expandir a Pesquisa)
company a » company _ (Expandir a Pesquisa)
2 beams » a beams (Expandir a Pesquisa)
e cost » e costa (Expandir a Pesquisa), e coste (Expandir a Pesquisa), e costu (Expandir a Pesquisa)
j nare » _ nare (Expandir a Pesquisa), j narr (Expandir a Pesquisa), j naresh (Expandir a Pesquisa)
a non » _ non (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: (( e cost computer based non ) or ((( 2 beams compared can new ) or ( j nare company a non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( e cost computer based non ) OR ((( 2 beams compared can new ) OR ( j nare company a non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( e cost computer based non ) or ((( 2 beams compared can new ) or ( j nare company a non ))))*.