TY - JOUR T1 - Revised optical air mass tables and approximation formula JF - Applied Optics Y1 - 1989 A1 - Fritz Kasten A1 - Andrew T. Young PB - OSA VL - 28 UR - http://ao.osa.org/abstract.cfm?URI=ao-28-22-4735 N1 -
KW - Kasten89 ER -