8 1 40 Michael J. Pelczar Additional Author E.C.S. Chan Additional Author mixed material 9798034570 Jakarta UI Press 1988 042.jpg.jpg Michael J.Pelczar Additional Author E.C.S.Chan Additional Author Merna Foss Pelczar Additional Author mixed material 9798034570 Jakarta UI-Pres 1988 IMG_0142.jpg.jpg Michael J. Pelczar Additional Author Roger D. Reid Additional Author mixed material Tokyo Mc Graw-Hill Book Company IMG_0655.jpg Michael J.Pelczar Additional Author Roger D.Reid Additional Author E.C.S.Chan Additional Author mixed material 0070492298 New York Mc Graw-Hill Book Company 1977 Michael J.Pelczar Additional Author E.C.S.Chan Additional Author mixed material Jakarta UI-Press 1986 Michael J. Pelczar Additional Author E.C.S. Chan Additional Author mixed material 9798034562 Jakarta UI Press 1986 Michael J. Pelczar Additional Author mixed material 9798034562 Jakarta UI Press 1986 Michael J. Pelczar Additional Author mixed material 9798034562 Jakarta UI Press 1986