S.M. Jones & R.J.J. Hardy & R.W. Hobbs & D. Hardy (...)

Океанология (1)

Mohammed Y. Ali & Curtis C. Bradley & Ibrahim Shawky & Arnaud Levannier (...)

Гидрогеология (1)

Rhonda Pfaff & Bob Booth & Jeff Shaner & Scott Crosier (...)

Страноведение (1)

H. Richard Johnston

Lithology (1)