Elementary Number Theory: Primes, Congruences, and Secrets: ...
William Stein
Typology and Universals
William Croft
Planning English Sentences
Douglas E. Appelt
Sociolinguistics and Language Education
Nancy H. Hornberger & Sandra McKay
Programmieren mit Wolfram Mathematica®
Axel Kilian
The Immortal Life of Henrietta Lacks
Rebecca Skloot