Numbers before the decimal point are read as whole numbers . Next, locate the remaining numbers and letters, including the year if it is part of the call number. They are arranged alphanumerically either on the shelves or in the microform cabinets and may be located in much the same way as items found in the rest of the library. Numbers are read as whole numbers . Numbers in SuDoc are arranged in numerical, not decimal value order.
Call numbers can be quite complex.