Tapp B A Energy and mineral resource systems : an introduction / B.A. Tapp, J.R. Watkins. - Cambridge [England] ; New York : Cambridge University Press, c1990. - viii, 150, [1] p. : ill. ; 24 cm. Includes index. Bibliography: p. 149-150. ISBN: 0521302870 0521316162 Subjects--Topical Terms: Energy mineralsMines and mineral resources LC Class. No.: TN263.5 Dewey Class. No.: 333.79