00344nam a2200157Ia 4500008004100000020001800041035001000059082001300069100001700082245002400099250000600123260003400129300000800163500000900171650000600180210723s9999||||xx |||||||||||||| ||und||  a81-224-0183-X  a31389  a531BJOS  aJoshi, A. W. 0aHorizons Of Physics  a-  aNew DelhibWiley Eastern Ltd.  a383  a5294  a-