7 1 30 HANDBOOK of  APPLIED SOCIAL RESEARCH METHODS Leonard Bickman Primary Author Debra J. Rog Primary Author mixed material 0­7619­0672­X  california Sage Publications 1998 HANDBOOK of  APPLIED SOCIAL RESEARCH METHODS Leonard Bickman Editor Debra J. Roger Editor mixed material 0­7619­0672­X  London Sage Publications 1998 Transport and handling the pulp and paper industry Haas, Leonard E., Primary Author mixed material na 1974 miler 1975 cover.jpg Plant in action : a lanoratory manual of plant physiology Machlis, Leonard, Torrey, John G. Primary Author mixed material San Fransisco W.H. Freeman and Company 1956 img032.jpg.jpg Trnsport and handling in the pulp and paper industry Haas, Leonard E, Kalish, John E Primary Author mixed material Miller Freeman Inc. 1975 cover.jpg Design of concrete structures Urquhart, Leonard Church, O'rourke, Charles Edward Primary Author mixed material 1958 cover.jpg Insects pests of farm, garden, and orchard Peairs, Leonard Marion, Davidson, Ralph Howard Primary Author mixed material 1961 cover.jpg