TY - BOOK AU - Winchell, Alexander. N TI - Elements of Optical Mineralogy: :An Introduction to Microscopic Petrography PY - 1961/// CY - NEWYORK PB - JOHN WILEY N1 - Part-II-Descriptions of Minerals(With Special Reference to their optical and Microscopic Characters) UR - http://krc.immt.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=105 ER -