TY - BOOK AU - Pollard, Michael TI - Johann Gutenberg : the story of the invention of movable type and how printing led to a knowledge explosion T2 - Scientists who have changed the world SN - 81 250 0746 6 U1 - 681.60924 PY - 1998/// CY - Mumbai PB - Orient Longman KW - Gutenberg,Johann --Biography ER -