Talvez deva tentar algumas variações de ortografia:
deitch campos » leite campos (Expandir a Pesquisa), deise campos (Expandir a Pesquisa), pech campos (Expandir a Pesquisa)
lagged model » based model (Expandir a Pesquisa), lagged panel (Expandir a Pesquisa)
campos than » campos thais (Expandir a Pesquisa), campos teran (Expandir a Pesquisa), campos thays (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
model cal » model calm (Expandir a Pesquisa), model can (Expandir a Pesquisa), model car (Expandir a Pesquisa)
j deitch » v deitch (Expandir a Pesquisa), a deitch (Expandir a Pesquisa)
j lagged » _ lagged (Expandir a Pesquisa), a lagged (Expandir a Pesquisa), jet lagged (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
cal non » al non (Expandir a Pesquisa), local non (Expandir a Pesquisa), focal non (Expandir a Pesquisa)
j dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa), 1 dna (Expandir a Pesquisa)
node » none (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 deitch campos than non ) or ((( j dna clamp a node ) or ( j lagged model cal non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j deitch campos than non ) OR ((( j dna clamp a node ) OR ( j lagged model cal non ))))*.