00335nam 2228434 450000100060000000300230000600500090002900800410003808200080007902000150008710000230010226000280012524500500015328434StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a662 a084121171x aHarold H. Schobert bA C S Washington c1987 acoal the energy source of the past and future