Subramanian, S. K. Bio-gas systems in Asia / S. K. Subramanian - New Delhi : MDI , 1977 - x, 146p. : ill. ; 22 cm. - Management Development Institute, monograph 2 and publication . Includes bibliographical references and index. Subjects--Topical Terms: Gas industry--AsiaBiogasNatural resources Dewey Class. No.: 665.7 / SUB