Experimental and theoretical geophysics. includes formulated differences for total and apparent porosity / Method-dependent values of bulk, grain, and pore volume as related to observed porosity :

Bibliographic Details
Main Author: Manger, G. Edward (Author)
Format: Government Document eBook
Language:English
Published: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1966.
Series:Geological Survey bulletin ; 1203-D.
Subjects:
Online Access:https://purl.fdlp.gov/GPO/gpo65585
Description
Item Description:Title from title screen (viewed September 15, 2014).
Physical Description:1 online resource (iv, 20 pages) : illustrations.
Bibliography:Includes bibliographical references (page 20).