00293nam a2200109Ia 4500008004100000020001800041100001400059245004700073250001200120260002900132650002200161190829s9999||||xx |||||||||||||| ||und||  a9788120403509  aLal, S. S 2aA Textbook of Practical Zoology Vertebrate  a2nd ED.  bOxford& IbhaDelhic1995  aAnimal Physiology