Sentence examples for is an essential reference from inspiring English sources

But this work is an essential reference, assembling in one place information formerly available only in medical and historical textbooks.

It's an essential reference for wine lovers.

The book has long been an essential reference source for Mexican costume.

With its immense documentation — 120 pages of endnotes to both published and unpublished material in at least five languages, including corrections of errors in these sources — it is bound to be an essential reference for anything written on the subject for years to come.

Therefore, this study will be an essential reference for future studies.

Vester-Christensen et al. [ 51] and Young et al. [ 48] have proposed that CT scanning should be an essential reference tool for body and carcass composition.

Hydrogen maser is an essential frequency reference standard in radio astronomy.

Historical forest cover change monitoring is an essential element of the reference emission level of REDD+.

Darwin's Universe is an essential work for any reference collection, although it should also include more conventional works which present a more general treatment of central topics.

Equivalence between all the bottles produced in a batch is an essential requirement for any reference material (RM).

This book is an essential reading and a valuable reference source for all those responsible for organising, delivering and evaluating cancer care for children around the world.