A B C D E F G H I J K L M N O P Q R S T U V W X Y Z (All references)
Popov, E. V. and A. V. Ivanov (1996). Research results from a series of the campaniand deposits Saratov region, Russia // Fifth International Cretacepus Sympoium. Freiberg/Saxony, Germany, Abstract: 148.